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  1. Article ; Online: Impact of the COVID-19 pandemic on the management of cancer patients: the experience of the cancer outpatients department of a university hospital in Paris.

    Tlemsani, Camille / Arrondeau, Jennifer / De Percin, Sixtine / Gataa, Ithar / Bretagne, Marie / Ajgal, Zahra / Huillard, Olivier / Wislez, Marie / Coriat, Romain / Alexandre, Jerome / Boudou-Rouquette, Pascaline / Goldwasser, François

    Clinical medicine (London, England)

    2024  Volume 21, Issue 5, Page(s) e552–e555

    Abstract: Cancer patients are a highly vulnerable group in the COVID-19 pandemic and it has been necessary for oncology units to adapt to this unexpected situation. We present our management of outpatients with cancer during the pandemic. We applied two major ... ...

    Abstract Cancer patients are a highly vulnerable group in the COVID-19 pandemic and it has been necessary for oncology units to adapt to this unexpected situation. We present our management of outpatients with cancer during the pandemic. We applied two major adaptations: extending the intervals between injections for maintenance therapy and protocol adaptation for patients with comorbidities. Between 17 March and 30 April 2020, 406 patients were treated in our outpatients department. Protocols were adapted for 94 (23.1%) patients. Among them, 49% had an extended interval between treatment administrations, 22.3% had modified protocols to reduce toxicity, 20.2% had therapeutic interruptions and 5.3% did not receive their treatment because of a COVID-19 infection. Overall, protocol adaptations concerned more than 20% of the patients. This pandemic was an opportunity for oncologists to re-examine the risk versus benefit balance of administering immunosuppressive treatment and highlighted that oncology daily routine should not be applied automatically.
    Language English
    Publishing date 2024-04-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 2048646-7
    ISSN 1473-4893 ; 1470-2118
    ISSN (online) 1473-4893
    ISSN 1470-2118
    DOI 10.7861/clinmed.2020-0666
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Prognostic impact of neurocognitive disorders in older patients with cancer: the ELCAPA prospective cohort study.

    Conti, Catherine / Paillaud, Elena / Laurent, Marie / Poisson, Johanne / Boudou-Rouquette, Pascaline / Frelaut, Maxime / Gay, Pierre / Canovas, Johanna / Caillet, Philippe / Mebarki, Soraya / Broussier, Amaury / Canouï-Poitrine, Florence

    The journal of nutrition, health & aging

    2024  Volume 28, Issue 5, Page(s) 100215

    Abstract: Objective: To assess the prognostic value of neurocognitive disorder (NCD) for 12 month-overall mortality in patients aged 70 or more with a solid cancer.: Design: prospective, observational, multicenter cohort.: Setting and participants: We ... ...

    Abstract Objective: To assess the prognostic value of neurocognitive disorder (NCD) for 12 month-overall mortality in patients aged 70 or more with a solid cancer.
    Design: prospective, observational, multicenter cohort.
    Setting and participants: We analyzed data from the ELCAPA longitudinal multicenter observational cohort of patients aged 70 or over, referred for a geriatric assessment (GA) before a new cancer treatment modality between January 31st, 2007, and December 29th, 2017. We defined the baseline NCD in four classes: no NCD, mild NCD, moderate NCD, and major NCD, based on the Mini-Mental State Examination (MMSE) score, memory complaint, and the Instrumental Activities of Daily Living (IADL) score.
    Statistical methods: We compared the baseline characteristics of patients according to NCD classes, globally and by pairs (with Bonferroni' correction). Prognosis value of NCD classes were analysed by using univariable and then multivariable 12 month survival analysis with age as time-variable and with and without adjustement for the treatment strategy (curative, palliative or exclusive supportive care).
    Results: 2784 patients with solid-cancer were included, with a median [interquartile range] age of 82 [78;86]. 36% of the patients were free of NCD, 34% had a mild NCD, 17% had a moderate NCD, and 13% had a major NCD. We identified the following independent prognostic factors for 12 month-overall mortality: NCD (adjusted hazard ratio (aHR) [95% confidence interval (CI)] for a major NCD = 1.54 [1.19-1.98] (p < 0.001), type of cancer, metastatic status, inpatient consultation, poor general health (assessed as the level of fatigue and Eastern Cooperative Oncology Group performance status [ECOG-PS]), greater weight loss, palliative treatment, and exclusive supportive care. Additional adjustment for the treatment strategy did not greatly change the strength of the association of a major NCD with 12 month-overall mortality (HR [95%CI] = 1.78 [1.39-2.29] (p < 0.001).
    Conclusion: Our results suggest that the presence of a major NCD has direct prognostic value (independently of other geriatric factors, the type of cancer and the treatment strategy) in older patients with a solid cancer.
    Language English
    Publishing date 2024-03-21
    Publishing country France
    Document type Journal Article
    ZDB-ID 2081921-3
    ISSN 1760-4788 ; 1279-7707
    ISSN (online) 1760-4788
    ISSN 1279-7707
    DOI 10.1016/j.jnha.2024.100215
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Comparison of the prognostic value of eight nutrition-related tools in older patients with cancer: A prospective study.

    Valter, Rémi / Paillaud, Elena / Boudou-Rouquette, Pascaline / Oubaya, Nadia / Arégui, Amélie / Lorisson, Emmanuelle / Brain, Etienne / Rochette de Lempdes, Godelieve / Histe, Axelle / Laurent, Marie / Canouï-Poitrine, Florence / Caillet, Philippe / Broussier, Amaury / Martinez-Tapia, Claudia

    The journal of nutrition, health & aging

    2024  Volume 28, Issue 4, Page(s) 100188

    Abstract: Objectives: The primary objective of the present study was to evaluate and compare the ability of eight nutrition-related tools to predict 1-year mortality in older patients with cancer.: Design, setting and participants: We studied older patients ... ...

    Abstract Objectives: The primary objective of the present study was to evaluate and compare the ability of eight nutrition-related tools to predict 1-year mortality in older patients with cancer.
    Design, setting and participants: We studied older patients with cancer from the ELCAPA cohort and who had been referred for a geriatric assessment at one of 14 participating geriatric oncology clinics in the greater Paris area of France between 2007 and 2018.
    Measurements: The studied nutrition-related tools/markers were the body mass index (BMI), weight loss (WL) in the previous 6 months, the Mini Nutritional Assessment, the Geriatric Nutritional Risk Index (GNRI), the Prognostic Nutritional Index, the Glasgow Prognostic Score (GPS), the modified GPS, and the C-reactive protein/albumin ratio.
    Results: A total of 1361 patients (median age: 81; males: 51%; metastatic cancer: 49%) were included in the analysis. Most of the tools showed a progressively increase in the mortality risk as the nutrition-related risk category worsened (overall p-values <0.02 for all) after adjustment for age, outpatient status, functional status, severe comorbidities, cognition, mood, cancer treatment strategy, tumour site, and tumour metastasis. All the models were discriminant, with a C-index ranging from 0.748 (for the BMI) to 0.762 (for the GPS). The concordance probability estimate ranged from 0.764 (WL) to 0.773 (GNRI and GPS)).
    Conclusion: After adjustment for relevant prognostic factors, all eight nutrition-related tools/markers were independently associated with 1-year mortality in older patients with cancer. Depending on the time or context of the GA, physicians do not always have the time or means to perform and assess all the tools/markers compared here. However, even when some information is missing, each nutritional tool/marker has prognostic value and can be used in the evaluation.
    Language English
    Publishing date 2024-02-12
    Publishing country France
    Document type Journal Article
    ZDB-ID 2081921-3
    ISSN 1760-4788 ; 1279-7707
    ISSN (online) 1760-4788
    ISSN 1279-7707
    DOI 10.1016/j.jnha.2024.100188
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Extending the dosing intervals of nivolumab: model-based simulations in unselected cancer patients.

    Puszkiel, Alicja / Bianconi, Guillaume / Pasquiers, Blaise / Balakirouchenane, David / Arrondeau, Jennifer / Boudou-Rouquette, Pascaline / Bretagne, Marie-Claire / Salem, Joe-Elie / Declèves, Xavier / Vidal, Michel / Kramkimel, Nora / Guegan, Sarah / Aractingi, Selim / Huillard, Olivier / Alexandre, Jérôme / Wislez, Marie / Goldwasser, François / Blanchet, Benoit

    British journal of cancer

    2024  

    Abstract: Background: Reducing nivolumab dose intensity could increase patients' life quality and decrease the financial burden while maintaining efficacy. The aims of this study were to develop a population PK model of nivolumab based on data from unselected ... ...

    Abstract Background: Reducing nivolumab dose intensity could increase patients' life quality and decrease the financial burden while maintaining efficacy. The aims of this study were to develop a population PK model of nivolumab based on data from unselected metastatic cancer patients and to simulate extended-interval regimens allowing to maintain minimal effective plasma concentrations (MEPC).
    Methods: Concentration-time data (992 plasma nivolumab concentrations, 364 patients) were modeled using a two-compartment model with linear elimination clearance in Monolix software. Extended-interval regimens allowing to maintain steady-state trough concentrations (C
    Results: Increasing 3-times the dosing interval from 240 mg every two weeks (Q2W) to Q6W and 2-times from 480 mg Q4W to Q8W resulted in C
    Conclusions: Clinical trials are warranted to confirm the non-inferiority of extended-interval compared to standard regimen.
    Language English
    Publishing date 2024-03-26
    Publishing country England
    Document type Journal Article
    ZDB-ID 80075-2
    ISSN 1532-1827 ; 0007-0920
    ISSN (online) 1532-1827
    ISSN 0007-0920
    DOI 10.1038/s41416-024-02659-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Diffuse large B-cell lymphoma after nivolumab treatment for lung cancer: A case report and a World Health Organization pharmacovigilance database review.

    Boudou-Rouquette, Pascaline / Grignano, Eric / Arrondeau, Jennifer / Burroni, Barbara / Chouchana, Laurent

    European journal of cancer (Oxford, England : 1990)

    2020  Volume 130, Page(s) 20–22

    MeSH term(s) Adult ; Aged ; Antineoplastic Agents, Immunological/adverse effects ; Humans ; Lung Neoplasms/complications ; Lung Neoplasms/pathology ; Lymphoma, Large B-Cell, Diffuse/etiology ; Male ; Middle Aged ; Nivolumab/adverse effects ; Pharmacovigilance
    Chemical Substances Antineoplastic Agents, Immunological ; Nivolumab (31YO63LBSN)
    Language English
    Publishing date 2020-03-11
    Publishing country England
    Document type Case Reports ; Letter ; Research Support, Non-U.S. Gov't
    ZDB-ID 82061-1
    ISSN 1879-0852 ; 0277-5379 ; 0959-8049 ; 0964-1947
    ISSN (online) 1879-0852
    ISSN 0277-5379 ; 0959-8049 ; 0964-1947
    DOI 10.1016/j.ejca.2020.02.006
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Biology and Management of High-Grade Chondrosarcoma: An Update on Targets and Treatment Options.

    Tlemsani, Camille / Larousserie, Frédérique / De Percin, Sixtine / Audard, Virginie / Hadjadj, Djihad / Chen, Jeanne / Biau, David / Anract, Philippe / Terris, Benoit / Goldwasser, François / Pasmant, Eric / Boudou-Rouquette, Pascaline

    International journal of molecular sciences

    2023  Volume 24, Issue 2

    Abstract: This review provides an overview of histopathology, clinical presentation, molecular pathways, and potential new systemic treatments of high-grade chondrosarcomas (CS), including grade 2−3 conventional, dedifferentiated, and mesenchymal CS. The diagnosis ...

    Abstract This review provides an overview of histopathology, clinical presentation, molecular pathways, and potential new systemic treatments of high-grade chondrosarcomas (CS), including grade 2−3 conventional, dedifferentiated, and mesenchymal CS. The diagnosis of CS combines radiological and histological data in conjunction with patient clinical presentations. Conventional CS is the most frequent subtype of CS (85%) and represents about 25% of primary bone tumors in adults; they can be categorized according to their bone location into central, peripheral, and periosteal chondrosarcomas. Central and peripheral CS differ at the molecular level with either IDH1/2 mutations or EXT1/2 mutations, respectively. CDKN2A/B deletions are also frequent in conventional CS, as well as COL2A1 mutations. Dedifferentiated CS develops when low-grade conventional CS transforms into a high-grade sarcoma and most frequently exhibits features of osteosarcoma, fibrosarcoma, or undifferentiated pleomorphic sarcoma. Their molecular characteristics are similar to conventional CS. Mesenchymal CS is a totally different pathological entity exhibiting recurrent translocations. Their clinical presentation and management are different too. The standard treatment of CSs is wide en-bloc resection. CS are relatively radiotherapy resistant; therefore, doses >60 Gy are needed in an attempt to achieve local control in unresectable tumors. Chemotherapy is possibly effective in mesenchymal chondrosarcoma and is of uncertain value in dedifferentiated chondrosarcoma. Due to resistance to standard anticancer agents, the prognosis is poor in patients with metastatic or unresectable chondrosarcomas. Recently, the refined characterization of the molecular profile, as well as the development of new treatments, allow new therapeutic options for these rare tumors. The efficiency of IDH1 inhibitors in other malignancies suggests that these inhibitors will be part of IDH1/2 mutated conventional CS management soon. Other treatment approaches, such as PIK3-AKT-mTOR inhibitors, cell cycle inhibitors, and epigenetic or immune modulators based on improving our understanding of CS molecular biology, are emerging.
    MeSH term(s) Adult ; Humans ; Chondrosarcoma/diagnosis ; Chondrosarcoma/genetics ; Chondrosarcoma/therapy ; Bone Neoplasms/diagnosis ; Bone Neoplasms/drug therapy ; Bone Neoplasms/genetics ; Radiography ; Osteosarcoma/pathology ; Biology
    Language English
    Publishing date 2023-01-10
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms24021361
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  7. Article ; Online: Impact of sarcopenia indexes on survival and severe immune acute toxicity in metastatic non-small cell lung cancer patients treated with PD-1 immune checkpoint inhibitors.

    Ashton, Elisabeth / Arrondeau, Jennifer / Jouinot, Anne / Boudou-Rouquette, Pascaline / Hirsch, Laure / Huillard, Olivier / Ulmann, Guillaume / Lupo-Mansuet, Audrey / Damotte, Diane / Wislez, Marie / Alifano, Marco / Alexandre, Jérôme / Goldwasser, François

    Clinical nutrition (Edinburgh, Scotland)

    2023  Volume 42, Issue 6, Page(s) 944–953

    Abstract: Background & aims: Sarcopenia has long been associated with higher toxicity induced by anti-cancer treatments and shorter survival in patients with solid tumors. The creatinine-to-cystatin ratio (CC ratio, serum creatinine/cystatin C × 100) and the ... ...

    Abstract Background & aims: Sarcopenia has long been associated with higher toxicity induced by anti-cancer treatments and shorter survival in patients with solid tumors. The creatinine-to-cystatin ratio (CC ratio, serum creatinine/cystatin C × 100) and the sarcopenia index (SI, serum creatinine × cystatin C (CysC)-based glomerular filtration rate (eGFR
    Methods: From the prospective CERTIM cohort, we analyzed retrospectively stage IV NSCLC patients, who received PD-1 inhibitors between June 2015 and November 2020 in Cochin Hospital (Paris, France). We assessed sarcopenia measuring skeletal muscle area (SMA) by computed tomography and handgrip strength (HGS) by a hand dynamometer.
    Results: In total, 200 patients were analyzed. The CC ratio and the IS were significantly correlated with SMA and HGS: r
    Conclusions: In metastatic NSCLC patients treated with PD-1 inhibitors, a lower CC ratio and a lower SI are independent predictors of mortality. However, they are not associated with severe irAEs.
    MeSH term(s) Humans ; Carcinoma, Non-Small-Cell Lung/complications ; Carcinoma, Non-Small-Cell Lung/drug therapy ; Immune Checkpoint Inhibitors/adverse effects ; Sarcopenia/complications ; Cystatin C ; Programmed Cell Death 1 Receptor/therapeutic use ; Lung Neoplasms/complications ; Lung Neoplasms/drug therapy ; Retrospective Studies ; Creatinine ; Hand Strength ; Prospective Studies
    Chemical Substances Immune Checkpoint Inhibitors ; Cystatin C ; Programmed Cell Death 1 Receptor ; Creatinine (AYI8EX34EU)
    Language English
    Publishing date 2023-04-14
    Publishing country England
    Document type Journal Article
    ZDB-ID 604812-2
    ISSN 1532-1983 ; 0261-5614
    ISSN (online) 1532-1983
    ISSN 0261-5614
    DOI 10.1016/j.clnu.2023.03.023
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Immunologic constant of rejection as a predictive biomarker of immune checkpoint inhibitors efficacy in non-small cell lung cancer.

    Mogenet, Alice / Finetti, Pascal / Denicolai, Emilie / Greillier, Laurent / Boudou-Rouquette, Pascaline / Goldwasser, François / Lumet, Gwenael / Ceccarelli, Michele / Birnbaum, Daniel / Bedognetti, Davide / Mamessier, Emilie / Barlesi, Fabrice / Bertucci, François / Tomasini, Pascale

    Journal of translational medicine

    2023  Volume 21, Issue 1, Page(s) 637

    Abstract: Background: Anti-PD1/PDL1 immune checkpoint inhibitors (ICI) transformed the prognosis of patients with advanced non-small cell lung cancer (NSCLC). However, the response rate remains disappointing and toxicity may be life-threatening, making urgent ... ...

    Abstract Background: Anti-PD1/PDL1 immune checkpoint inhibitors (ICI) transformed the prognosis of patients with advanced non-small cell lung cancer (NSCLC). However, the response rate remains disappointing and toxicity may be life-threatening, making urgent identification of biomarkers predictive for efficacy. Immunologic Constant of Rejection signature (ICR) is a 20-gene expression signature of cytotoxic immune response with prognostic value in some solid cancers. Our objective was to assess its predictive value for benefit from anti-PD1/PDL1 in patients with advanced NSCLC.
    Methods: We retrospectively profiled 44 primary tumors derived from NSCLC patients treated with ICI as single-agent in at least the second-line metastatic setting. Transcriptomic analysis was performed using the nCounter
    Results: The DCB rate was 29%; 22% of samples were classified as ICR1, 30% ICR2, 22% ICR3, and 26% ICR4. These classes were not associated with the clinico-pathological variables, but showed enrichment from ICR1 to ICR4 in quantitative/qualitative markers of immune response. ICR2-4 class was associated with a 5.65-fold DCB rate when compared with ICR1 class. In multivariate analysis, ICR classification remained associated with DCB, independently from PDL1 expression and other predictive immune signatures. By contrast, it was not associated with disease-free survival in 556 NSCLC TCGA patients untreated with ICI.
    Conclusion: The 20-gene ICR signature was independently associated with benefit from anti-PD1/PDL1 ICI in patients with advanced NSCLC. Validation in larger retrospective and prospective series is warranted.
    MeSH term(s) Humans ; Carcinoma, Non-Small-Cell Lung/drug therapy ; Carcinoma, Non-Small-Cell Lung/genetics ; Immune Checkpoint Inhibitors/pharmacology ; Immune Checkpoint Inhibitors/therapeutic use ; Retrospective Studies ; Lung Neoplasms/drug therapy ; Lung Neoplasms/genetics ; Biomarkers
    Chemical Substances Immune Checkpoint Inhibitors ; Biomarkers
    Language English
    Publishing date 2023-09-19
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2118570-0
    ISSN 1479-5876 ; 1479-5876
    ISSN (online) 1479-5876
    ISSN 1479-5876
    DOI 10.1186/s12967-023-04463-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Predictive factors associated with pemetrexed acute toxicity.

    Bonnet, Mathilde / Jouinot, Anne / Boudou-Rouquette, Pascaline / Seif, Vanessa / Villeminey, Clémentine / Arrondeau, Jennifer / Vidal, Michel / Batista, Rui / Wislez, Marie / Blanchet, Benoit / Goldwasser, François / Thomas-Schoemann, Audrey

    European journal of clinical pharmacology

    2023  Volume 79, Issue 5, Page(s) 635–641

    Abstract: Purpose: Pemetrexed has shown efficacy as monotherapy or in combination with platinum salts in the treatment of non-small cell lung cancer and mesothelioma. However, severe hematological toxicities induced by pemetrexed-based chemotherapy have been ... ...

    Abstract Purpose: Pemetrexed has shown efficacy as monotherapy or in combination with platinum salts in the treatment of non-small cell lung cancer and mesothelioma. However, severe hematological toxicities induced by pemetrexed-based chemotherapy have been observed. Some studies have suggested that drug interactions may be associated with pemetrexed toxicity. The objective of this study was to determine predictive factors, including drug interactions, associated with pemetrexed toxicity.
    Methods: This retrospective open monocentric study included patients consecutively treated with pemetrexed after a multidisciplinary risk assessment. Patients who experienced toxicity of grade 3 or 4 according to the Common Terminology Criteria for Adverse Events v5.0, or a grade 2 leading to a change in management, during the first four courses of pemetrexed, were assigned to the early limiting toxicities (ELT) group. Univariate and multivariable logistic regression models were used to test the association variables with the occurrence of ELT.
    Results: Seventy-four patients were included in this study (median age: 67 years, with non-small cell lung cancer adenocarcinoma (88%), mesothelioma (7%), or others (5%). Thirty-six patients (49%) were assigned to the ELT group (27 grades 3 and 4; 9 grade 2 with management modification). Three baseline factors were associated with pemetrexed ELT in univariate and multivariate analysis: cystatin clearance (p = 0.0135), albumin level (p = 0.0333), and proton pump inhibitors use (p = 0.035).
    Conclusion: To conclude, ELT induced by pemetrexed-based treatments occur frequently in cancer patients in a real-world setting. A pretherapeutic assessment before pemetrexed initiation should include three major checkpoints: use of proton pump inhibitors, sarcopenia, and denutrition evaluation.
    MeSH term(s) Humans ; Aged ; Pemetrexed/adverse effects ; Carcinoma, Non-Small-Cell Lung/drug therapy ; Carcinoma, Non-Small-Cell Lung/pathology ; Lung Neoplasms/drug therapy ; Lung Neoplasms/pathology ; Retrospective Studies ; Proton Pump Inhibitors/therapeutic use ; Mesothelioma/chemically induced ; Mesothelioma/drug therapy ; Antineoplastic Combined Chemotherapy Protocols/adverse effects
    Chemical Substances Pemetrexed (04Q9AIZ7NO) ; Proton Pump Inhibitors
    Language English
    Publishing date 2023-03-23
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 121960-1
    ISSN 1432-1041 ; 0031-6970
    ISSN (online) 1432-1041
    ISSN 0031-6970
    DOI 10.1007/s00228-023-03478-4
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  10. Article ; Online: EBV-Positive Inflammatory Follicular Dendritic Cell Sarcoma of the Spleen: Report of an Aggressive Form With Molecular Characterization.

    Baber, Alistair / Legendre, Paul / Palmic, Patricia / Lupo-Mansuet, Audrey / Burroni, Barbara / Azoulay, Célia / Szwebel, Tali-Anne / Costedoat-Chalumeau, Nathalie / Leroy, Karen / Blons, Hélène / Blay, Jean-Yves / Boudou-Rouquette, Pascaline / Terrier, Benjamin

    International journal of surgical pathology

    2023  Volume 32, Issue 1, Page(s) 150–154

    Abstract: EBV-positive inflammatory follicular dendritic cell sarcoma (EBV+ inflammatory FDCS) is a rare neoplasm almost exclusively located in the spleen or liver. It is characterized by a proliferation of EBV-positive spindle-shaped cells bearing follicular ... ...

    Abstract EBV-positive inflammatory follicular dendritic cell sarcoma (EBV+ inflammatory FDCS) is a rare neoplasm almost exclusively located in the spleen or liver. It is characterized by a proliferation of EBV-positive spindle-shaped cells bearing follicular dendritic cell markers, associated with an abundant lymphoplasmacytic infiltrate. EBV+ inflammatory FDCS is often asymptomatic or responsible for mild symptoms. It usually displays an indolent course and its prognosis is excellent after tumor removal, although relapsing and metastatic forms exist. Herein, we describe an aggressive form of splenic EBV+ inflammatory FDCS in a 79-year-old woman presenting with abdominal pain, deterioration of general health status, major inflammatory syndrome, and symptomatic hypercalcemia. A splenectomy was performed leading to a rapid improvement in her clinical condition and normalization of laboratory abnormalities. Unfortunately, her symptoms and laboratory abnormalities reappeared 4 months later. Computed tomography showed a mass in the splenectomy site and multiple liver and peritoneal nodules. Further analyses were performed on tumor tissue and showed positive phospho-ERK staining of tumoral cells indicating activation of MAPK pathway. Inactivating mutations were found on
    MeSH term(s) Female ; Humans ; Aged ; Dendritic Cell Sarcoma, Follicular/diagnosis ; Dendritic Cell Sarcoma, Follicular/genetics ; Dendritic Cell Sarcoma, Follicular/metabolism ; Spleen/pathology ; Herpesvirus 4, Human/genetics ; Neoplasm Recurrence, Local/pathology ; Dendritic Cells, Follicular/metabolism ; Dendritic Cells, Follicular/pathology ; Soft Tissue Neoplasms/pathology
    Language English
    Publishing date 2023-05-08
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 1336393-1
    ISSN 1940-2465 ; 1066-8969
    ISSN (online) 1940-2465
    ISSN 1066-8969
    DOI 10.1177/10668969231168345
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