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  1. Article: Targeted Axillary Dissection in Node-Positive Breast Cancer: A Retrospective Study and Cost Analysis.

    Beniey, Michèle / Boulva, Kerianne / Rodriguez-Qizilbash, Samuel / Kaviani, Ahmad / Younan, Rami / Patocskai, Erica

    Cureus

    2021  Volume 13, Issue 4, Page(s) e14610

    Abstract: Introduction Targeted axillary dissection (TAD) is a novel technique in the field of surgical oncology. During TAD, patients with node-positive breast cancer who clinically responded to neoadjuvant chemotherapy undergo resection of a previously proven ... ...

    Abstract Introduction Targeted axillary dissection (TAD) is a novel technique in the field of surgical oncology. During TAD, patients with node-positive breast cancer who clinically responded to neoadjuvant chemotherapy undergo resection of a previously proven metastatic node together with sentinel lymph node dissection (SLND). We aimed to assess the success rates of seed insertion and seed retrieval in the Canadian setting, as well as hospital costs of the procedure. Methods Patients converted to clinically node-negative status post-neoadjuvant chemotherapy underwent TAD. Before surgery, an iodine-125 radioactive seed was inserted in the previously proven metastatic node. The seed node was resected together with an SLND. Axillary lymph node dissection (ALND) was performed in all patients with residual metastases. Results Radioactive seeds were successfully inserted in 34/35 patients. In 34 patients, the targeted node was successfully resected with the radioactive probe during TAD. In one patient, the seed was retrieved inferiorly in the axilla during surgery. There was no adverse event. In total, 50% (17/34) of patients had no residual metastases and were able to avoid ALND. Eight out of 17 patients who underwent ALND did not have any residual disease in their specimen. The mean cost of TAD was 25% superior to the mean cost of ALND (p = 0.02). However, the mean total cost of the hospital stay for TAD was 20% superior to the mean cost of ALND (p = 0.11). The mean cost of TAD was 4,322 Can$ (Canadian dollars), similar to the mean cost of both ALND and SLND performed during the same procedure (4,479 Can$). Conclusions TAD was successful in 97% of patients. Despite increased procedural costs, with a lesser impact on total hospital stay costs, TAD was beneficial in 50% of patients. These patients avoided the unnecessary morbidity associated with ALND.
    Language English
    Publishing date 2021-04-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.14610
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: A Canadian single-centre experience with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for abdominal malignancies.

    Nassabein, Rami / Younan, Rami / Loungarath, Rasmy / Mercier, Frederic / Dagbert, Francois / Aubin, Francine / Ayoub, Jean Pierre / Tehfé, Mustapha

    Canadian journal of surgery. Journal canadien de chirurgie

    2022  Volume 65, Issue 3, Page(s) E342–E351

    Abstract: Background: Cytoreductive surgery in combination with hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) has recently shown promise for the treatment of patients with various types of peritoneal carcinomatosis (PC). However, it is an extensive ... ...

    Abstract Background: Cytoreductive surgery in combination with hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) has recently shown promise for the treatment of patients with various types of peritoneal carcinomatosis (PC). However, it is an extensive procedure that is associated with a variety of morbidities. We evaluated the safety and clinical outcomes of CRS-HIPEC performed at our centre.
    Methods: Patients with abdominal malignancies who underwent CRS-HIPEC between February 2005 and December 2018 at the Centre hospitalier de l'Université de Montréal (CHUM) were retrospectively reviewed.
    Results: A total of 141 patients were identified (66 with appendiceal cancer, 62 with colorectal cancer, 10 with mesothelioma and 3 with small intestinal tumours). The median age was 55 years. Median overall survival (OS) was not reached for patients with appendiceal tumours; it was 38.3 months for colorectal cancers. Among patients with colorectal cancer, survival was significantly better for those who received intraperitoneal HIPEC with oxaliplatin (74.9 mo) compared with mitomycin C (29.1 mo) (
    Conclusion: CRS-HIPEC can be performed with acceptable morbidity in patients with PC. These results validate the outcomes of previously reported trials, but further prospective trials are warranted to determine which patients will most benefit from the addition of HIPEC to CRS.
    MeSH term(s) Appendiceal Neoplasms/drug therapy ; Canada ; Chemotherapy, Cancer, Regional Perfusion ; Colorectal Neoplasms/pathology ; Combined Modality Therapy ; Cytoreduction Surgical Procedures/adverse effects ; Humans ; Hyperthermia, Induced ; Hyperthermic Intraperitoneal Chemotherapy ; Middle Aged ; Peritoneal Neoplasms/drug therapy ; Retrospective Studies ; Survival Rate
    Language English
    Publishing date 2022-05-17
    Publishing country Canada
    Document type Journal Article
    ZDB-ID 410651-9
    ISSN 1488-2310 ; 0008-428X
    ISSN (online) 1488-2310
    ISSN 0008-428X
    DOI 10.1503/cjs.004320
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  3. Article ; Online: The exploration of remote simulation strategies for the acquisition of psychomotor skills in medicine: a pilot randomized controlled trial.

    Guérard-Poirier, Natasha / Meloche-Dumas, Léamarie / Beniey, Michèle / Torres, Andrei / Kapralos, Bill / Dhane, Malek / Mercier, Frédéric / Younan, Rami / Dubrowski, Adam / Patocskai, Erica

    Discover education

    2023  Volume 2, Issue 1, Page(s) 19

    Abstract: Background: Progress in remote educational strategies was fueled by the advent of the COVID-19 pandemic. This pilot RCT explored the efficacy of a decentralized model of simulation based on principles of observational and peer-to-peer learning for the ... ...

    Abstract Background: Progress in remote educational strategies was fueled by the advent of the COVID-19 pandemic. This pilot RCT explored the efficacy of a decentralized model of simulation based on principles of observational and peer-to-peer learning for the acquisition of surgical skills.
    Methods: Sixty medical students from the University of Montreal learned the running subcuticular suture in four different conditions: (1) Control group (2) Self-learning (3) Peer-learning (4) Peer-learning with expert feedback. The control group learned with error-free videos, while the others, through videos illustrating strategic sub-optimal performances to be identified and discussed by students. Performance on a simulator at the end of the learning period, was assessed by an expert using a global rating scale (GRS) and checklist (CL).
    Results: Students engaging in peer-to-peer learning strategies outperformed students who learned alone. The presence of an expert, and passive vs active observational learning strategies did not impact performance.
    Conclusion: This study supports the efficacy of a remote learning strategy and demonstrates how collaborative discourse optimizes the students' acquisition of surgical skills. These remote simulation strategies create the potential for implantation in future medical curriculum design.
    Language English
    Publishing date 2023-07-17
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2731-5525
    ISSN (online) 2731-5525
    DOI 10.1007/s44217-023-00041-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: A Novel Level I Oncoplastic Surgery Technique for Tumors Located in UIQ of the Breast Far from the Nipple: The "Cross" Technique.

    Kaviani, Ahmad / Zand, Sanaz / Ashraf-Ganjouei, Amir / Younan, Rami / Jacques Salmon, Remy

    Plastic and reconstructive surgery. Global open

    2019  Volume 7, Issue 7, Page(s) e2269

    Abstract: Breast surgery was revolutionized with the use of oncoplastic reshaping techniques minimizing breast deformities and esthetic complications. However, the application of the current oncoplastic techniques becomes challenging in some situations such as ... ...

    Abstract Breast surgery was revolutionized with the use of oncoplastic reshaping techniques minimizing breast deformities and esthetic complications. However, the application of the current oncoplastic techniques becomes challenging in some situations such as small-size breasts and when the tumors are located in special locations of the breast, for example, upper inner quadrant. In this article, an optimized oncoplastic technique named the "Cross" technique is introduced to overcome the abovementioned problems in the surgery of breast tumors located in the upper inner quadrant far from the center of the breast. Nineteen oncoplastic surgeries were performed by the same breast surgeon. The mean diameter and weight of the excised specimens were 20 mm and 74 g. The mean age of the patients was 51 years. Clear surgical margins were obtained in all patients. There was no marked deformity in the breast after surgery. The optimized technique produced promising results in our hands when applied to a selected group of patients. Moreover, the technique was found to reduce the need for revision surgery in ptotic breasts, as the alteration in the shape of the breast undergoing surgery is not significant enough to introduce asymmetry to the breasts.
    Language English
    Publishing date 2019-07-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2851682-5
    ISSN 2169-7574 ; 2169-7574
    ISSN (online) 2169-7574
    ISSN 2169-7574
    DOI 10.1097/GOX.0000000000002269
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Impact of the 21-Gene Recurrence Score Assay on Treatment Decisions and Cost in Patients with Node-Positive Breast Cancer: A Multicenter Study in Quebec.

    Hassan, Saima / Younan, Rami / Patocskai, Erica / Provencher, Louise / Poirier, Brigitte / Sideris, Luca / Dubé, Pierre / Mihalcioiu, Catalin / Chabot-Blanchet, Malorie / Guertin, Marie-Claude / Boileau, Jean-François / Robidoux, André

    The oncologist

    2022  Volume 27, Issue 10, Page(s) 822–831

    Abstract: Background: The 21-gene Breast Recurrence Score (RS) assay, "the assay", has led to a paradigm shift for patients with hormone receptor-positive, node-negative early breast cancer and is emerging as an important tool to assist physician-patient ... ...

    Abstract Background: The 21-gene Breast Recurrence Score (RS) assay, "the assay", has led to a paradigm shift for patients with hormone receptor-positive, node-negative early breast cancer and is emerging as an important tool to assist physician-patient decisions in foregoing chemotherapy in node-positive patients. We wanted to better understand the impact of the RS assay in node-positive patients upon physician treatment decisions and treatment cost in Quebec, Canada.
    Patients and methods: We conducted a multicenter, prospective observational trial for Estrogen/Progesterone Receptor (ER/PR)- positive, Human Epidermal Growth Factor Receptor 2 (HER2)-negative breast cancer patients with 1-3 positive lymph nodes. Physicians completed a questionnaire indicating treatment choice prior to and post availability of RS results. The primary endpoint was change in the physician's recommendation for chemotherapy prior to and post assay results. Secondary endpoints included change in physician's expressed level of confidence, and changes in estimated cost of recommended treatments prior to and post assay results.
    Results: For the entire cohort, physician recommendation for chemotherapy was reduced by an absolute 67.1% by knowledge of the RS assay result (P < .0001). Physician recommendation of chemotherapy was decreased by 75.9% for patients RS result <14 (P < .0001); and 67.5% for patients with RS result 14-25 (P < .0001). Changes in treatment recommendations were associated with an overall reduction in cost by 73.7% per patient, and after incorporating the cost of the RS test, a cost benefit of $823 CAN at 6-month follow-up.
    Conclusion: Altogether, we established that the assay led to a two-third reduction in the use of chemotherapy, and was a cost-effective approach for hormone receptor-positive, node-positive breast cancer.
    MeSH term(s) Breast Neoplasms/drug therapy ; Breast Neoplasms/genetics ; Chemotherapy, Adjuvant/adverse effects ; Estrogens ; Female ; Gene Expression Profiling/methods ; Humans ; Neoplasm Recurrence, Local/drug therapy ; Neoplasm Recurrence, Local/genetics ; Quebec ; Receptors, Estrogen/genetics ; Receptors, Progesterone
    Chemical Substances Estrogens ; Receptors, Estrogen ; Receptors, Progesterone
    Language English
    Publishing date 2022-06-27
    Publishing country England
    Document type Journal Article ; Multicenter Study ; Observational Study ; Research Support, Non-U.S. Gov't
    ZDB-ID 1409038-7
    ISSN 1549-490X ; 1083-7159
    ISSN (online) 1549-490X
    ISSN 1083-7159
    DOI 10.1093/oncolo/oyac123
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  6. Article ; Online: Splenectomy revisited in 2011: Impact on hematologic toxicities while performing cytoreductive surgery and hyperthermic intraperitoneal chemotherapy.

    Deslauriers, Nancy / Olney, Harold / Younan, Rami

    Journal of gastrointestinal oncology

    2012  Volume 2, Issue 2, Page(s) 61–63

    Language English
    Publishing date 2012-06-30
    Publishing country China
    Document type Journal Article
    ZDB-ID 2594644-4
    ISSN 2219-679X ; 2078-6891
    ISSN (online) 2219-679X
    ISSN 2078-6891
    DOI 10.3978/j.issn.2078-6891.2011.019
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  7. Article ; Online: Survival of Patients With Head and Neck Merkel Cell Cancer: Findings From the Pan-Canadian Merkel Cell Cancer Collaborative.

    Nayak, Ameeta Lubina / Pickett, Arthur Travis / Delisle, Megan / Dingley, Brittany / Mallick, Ranjeeta / Hamilton, Trevor / Stuart, Heather / Talbot, Martha / McKinnon, Gregory / Jost, Evan / Thiboutot, Eva / Francescutti, Valerie / Samman, Sal / Easson, Alexandra / Schellenberg, Angela / Merchant, Shaila / La, Julie / Vanderbeck, Kaitlin / Wright, Frances /
    Berger-Richardson, David / Hebbard, Pamela / Hershorn, Olivia / Younan, Rami / Patocskai, Erica / Rodriguez-Qizilbash, Samuel / Meguerditichian, Ari / Tchuente, Vanina / Kazandjian, Suzanne / Mathieson, Alex / Hossain, Farisa / Hetu, Jessika / Corsten, Martin / Tohmé, Angelina / Nessim, Carolyn / Johnson-Obaseki, Stephanie

    JAMA network open

    2023  Volume 6, Issue 11, Page(s) e2344127

    Abstract: Importance: Merkel cell carcinoma (MCC) is an aggressive cutaneous neuroendocrine carcinoma. Due to its relatively low incidence and limited prospective trials, current recommendations are guided by historical single-institution retrospective studies.!## ...

    Abstract Importance: Merkel cell carcinoma (MCC) is an aggressive cutaneous neuroendocrine carcinoma. Due to its relatively low incidence and limited prospective trials, current recommendations are guided by historical single-institution retrospective studies.
    Objective: To evaluate the overall survival (OS) of patients in Canada with head and neck MCC (HNMCC) according to American Joint Committee on Cancer 8th edition staging and treatment modalities.
    Design, setting, and participants: A retrospective cohort study of 400 patients with a diagnosis of HNMCC between July 1, 2000, and June 31, 2018, was conducted using the Pan-Canadian Merkel Cell Cancer Collaborative, a multicenter national registry of patients with MCC. Statistical analyses were performed from January to December 2022.
    Main outcomes and measures: The primary outcome was 5-year OS. Multivariable analysis using a Cox proportional hazards regression model was performed to identify factors associated with survival.
    Results: Between 2000 and 2018, 400 patients (234 men [58.5%]; mean [SD] age at diagnosis, 78.4 [10.5] years) with malignant neoplasms found in the face, scalp, neck, ear, eyelid, or lip received a diagnosis of HNMCC. At diagnosis, 188 patients (47.0%) had stage I disease. The most common treatment overall was surgery followed by radiotherapy (161 [40.3%]), although radiotherapy alone was most common for stage IV disease (15 of 23 [52.2%]). Five-year OS was 49.8% (95% CI, 40.7%-58.2%), 39.8% (95% CI, 26.2%-53.1%), 36.2% (95% CI, 25.2%-47.4%), and 18.5% (95% CI, 3.9%-41.5%) for stage I, II, III, and IV disease, respectively, and was highest among patients treated with surgery and radiotherapy (49.9% [95% CI, 39.9%-59.1%]). On multivariable analysis, patients treated with surgery and radiotherapy had greater OS compared with those treated with surgery alone (hazard ratio [HR], 0.76 [95% CI, 0.46-1.25]); however, this was not statistically significant. In comparison, patients who received no treatment had significantly worse OS (HR, 1.93 [95% CI, 1.26-2.96)].
    Conclusions and relevance: In this cohort study of the largest Canada-wide evaluation of HNMCC survival outcomes, stage and treatment modality were associated with survival. Multimodal treatment was associated with greater OS across all disease stages.
    MeSH term(s) Male ; Humans ; Child ; Carcinoma, Merkel Cell/pathology ; Carcinoma, Merkel Cell/surgery ; Retrospective Studies ; Cohort Studies ; Prospective Studies ; Radiotherapy, Adjuvant ; Canada/epidemiology ; Head and Neck Neoplasms/therapy ; Skin Neoplasms/pathology
    Language English
    Publishing date 2023-11-01
    Publishing country United States
    Document type Multicenter Study ; Journal Article
    ISSN 2574-3805
    ISSN (online) 2574-3805
    DOI 10.1001/jamanetworkopen.2023.44127
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Complete anemia reversal after surgical excision of mesenteric hyaline-vascular unicentric Castleman disease.

    Bejjani, Jimmy / Lemieux, Bernard / Gariepy, Gilles / Younan, Rami

    Canadian journal of surgery. Journal canadien de chirurgie

    2009  Volume 52, Issue 5, Page(s) E197–8

    MeSH term(s) Adult ; Anemia/etiology ; Anemia/physiopathology ; Biopsy, Needle ; Blood Chemical Analysis ; Castleman Disease/complications ; Castleman Disease/pathology ; Castleman Disease/surgery ; Female ; Humans ; Hyalin/metabolism ; Immunohistochemistry ; Laparotomy/methods ; Mesentery/pathology ; Peritoneal Diseases/complications ; Peritoneal Diseases/pathology ; Peritoneal Diseases/surgery ; Remission, Spontaneous ; Risk Assessment ; Severity of Illness Index ; Tomography, X-Ray Computed ; Treatment Outcome
    Language English
    Publishing date 2009-09-24
    Publishing country Canada
    Document type Case Reports ; Journal Article
    ZDB-ID 410651-9
    ISSN 1488-2310 ; 0008-428X
    ISSN (online) 1488-2310
    ISSN 0008-428X
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  9. Article ; Online: The Delphi approach to Attain consensus in methodology of local regional therapy for peritoneal surface malignancy.

    Kusamura, Shigeki / Baratti, Dario / Younan, Rami / Deraco, Marcello

    Journal of surgical oncology

    2008  Volume 98, Issue 4, Page(s) 217–219

    Abstract: At the Fifth International Workshop on Peritoneal Surface Malignancy (PSM), held in Milan, December 2006, the consensus on technical aspects of cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) was obtained through the ... ...

    Abstract At the Fifth International Workshop on Peritoneal Surface Malignancy (PSM), held in Milan, December 2006, the consensus on technical aspects of cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) was obtained through the Delphi process. The following topics were discussed: pre-operative workup; eligibility to CRS + HIPEC; intra-operative staging system; technical aspects of surgery; residual disease classification systems; HIPEC: nomenclature and modalities; drugs, carrier solution and optimal temperature; morbidity grading systems. Conflicting points regarding above-mentioned topics were elaborated and voted in two rounds by a panel of international experts in local-regional therapy. The purpose of this manuscript is to describe the organization and the methodology of the consensus statements and to interpret and discuss the implications of the most striking results.
    MeSH term(s) Chemotherapy, Adjuvant ; Chemotherapy, Cancer, Regional Perfusion/methods ; Consensus ; Delphi Technique ; Humans ; Peritoneal Neoplasms/drug therapy ; Peritoneal Neoplasms/pathology ; Peritoneal Neoplasms/surgery
    Language English
    Publishing date 2008-09-15
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 82063-5
    ISSN 1096-9098 ; 0022-4790
    ISSN (online) 1096-9098
    ISSN 0022-4790
    DOI 10.1002/jso.21059
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  10. Article ; Online: Pharmacokinetics of intraperitoneal irinotecan in a pig model.

    Turcotte, Simon / Sideris, Lucas / Younan, Rami / Drolet, Pierre / Dubé, Pierre

    Journal of surgical oncology

    2010  Volume 101, Issue 7, Page(s) 637–642

    Abstract: Complete surgical cytoreduction of peritoneal implants and immediate intraperitoneal (lP) chemotherapy offers the greatest survival in selected patients with peritoneal carcinomatosis. This study was undertaken to describe the metabolism and ... ...

    Abstract Complete surgical cytoreduction of peritoneal implants and immediate intraperitoneal (lP) chemotherapy offers the greatest survival in selected patients with peritoneal carcinomatosis. This study was undertaken to describe the metabolism and pharmacokinetics of normothermic intraperitoneal CPT-11, free and glucuronized SN-38, in a pig model. Thirteen pigs were used for experimentation. Animals were grouped for IV and IP CPT-1 1 administration. Eleven pigs underwent laparotomy through a midline incision and instillation of 100, 200, and 400mg IP CPT-11. Systemic venous blood, portal blood and peritoneal fluid samples were taken at 5, 10, 20, 30, and 45 min, then every hour up to 8 hr for the 100 mg. For the three groups, peritoneal CPT-11 exposition was on average 4.9 times greater in the peritoneum than in the systemic venous or portal circulations and the systemic CPT-11 fraction absorbed from the peritoneum linearly increased with time. Free SN-38 was measurable in the earliest peritoneal samples taken. The initial instillation dose of CPT-11 did not impact on the SN-38 converted fraction, which remained stable at approximately 0.04% during the first 4 hour. Mean peritoneal SN-38: CPT-11 AUC ratio was 0.043. OPT-11 peritoneal conversion into SN-38 appeared slightly Inferior to the systemic conversion ratio. This norrnothermic IP OPT-11 pharmacokinetic study performed in a pig model confirms the possibility to achieve at least a 30 times higher peritoneal than systemic exposure. Peritoneal exposure to active SN-38 begins at the moment of CPT-11 peritoneal instillation. A fixed and small traction of less than 0.1% of CPT-11 is converted into SN-38, underlying the importance of a sufficient initial IP dose of CPT-11.
    MeSH term(s) Animals ; Antineoplastic Agents, Phytogenic/administration & dosage ; Antineoplastic Agents, Phytogenic/pharmacokinetics ; Area Under Curve ; Biological Availability ; Camptothecin/administration & dosage ; Camptothecin/analogs & derivatives ; Camptothecin/pharmacokinetics ; Carcinoma/drug therapy ; Chemotherapy, Cancer, Regional Perfusion ; Dose-Response Relationship, Drug ; Female ; Peritoneal Neoplasms/drug therapy ; Swine
    Chemical Substances Antineoplastic Agents, Phytogenic ; irinotecan (7673326042) ; Camptothecin (XT3Z54Z28A)
    Language English
    Publishing date 2010-06-01
    Publishing country United States
    Document type Journal Article
    ZDB-ID 82063-5
    ISSN 1096-9098 ; 0022-4790
    ISSN (online) 1096-9098
    ISSN 0022-4790
    DOI 10.1002/jso.21569
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