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  1. Article ; Online: Clinical evaluation of ureteral pseudodiverticulosis.

    Yorita, Kenji

    Abdominal radiology (New York)

    2019  Volume 44, Issue 7, Page(s) 2676

    MeSH term(s) Carcinoma, Transitional Cell ; Humans ; Ureter ; Urinary Bladder Neoplasms
    Language English
    Publishing date 2019-04-29
    Publishing country United States
    Document type Letter ; Comment
    ZDB-ID 2839786-1
    ISSN 2366-0058 ; 2366-004X
    ISSN (online) 2366-0058
    ISSN 2366-004X
    DOI 10.1007/s00261-019-01983-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1262: Show issues Location:
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    Jg. 1995 - 2021: Lesesall (1.OG)
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  2. Article ; Online: Metastatic recurrence of lung adenocarcinoma in thyroid clinically masquerading as primary thyroid cancer and immunohistochemically positive for thyroglobulin.

    Yorita, Kenji / Hokimoto, Norihiro / Tanida, Nobuyuki / Matsuoka, Hisashi

    BMJ case reports

    2023  Volume 16, Issue 5

    Abstract: We report a case of a man in his 60s with metastatic lung adenocarcinoma in the thyroid and cervical lymph nodes. The lung cancer was resected 5 years prior to presentation. The metastasis mimicked primary thyroid cancer by clinical examination and CT. ... ...

    Abstract We report a case of a man in his 60s with metastatic lung adenocarcinoma in the thyroid and cervical lymph nodes. The lung cancer was resected 5 years prior to presentation. The metastasis mimicked primary thyroid cancer by clinical examination and CT. However, fine-needle aspiration cytology of the thyroid and the lymph node lesions favoured lung cancer metastasis rather than thyroid cancer. Left thyroid lobectomy and lymphadenectomy were performed. Pathology confirmed the presence of an adenocarcinoma in the thyroid and two lymph nodes, which was similar to the previous lung cancer. The tumour cells in the thyroid were immunohistochemically positive for TTF1 and thyroglobulin and negative for PAX8. This is the second reported case of metastatic lung cancer in the thyroid that was focally positive for thyroglobulin. This can be a pitfall in differentiating between primary thyroid tumour and metastatic lung adenocarcinoma by pathological and cytological examination.
    MeSH term(s) Male ; Humans ; Thyroglobulin ; Lymphatic Metastasis/pathology ; Thyroid Neoplasms/diagnosis ; Thyroid Neoplasms/surgery ; Thyroid Neoplasms/pathology ; Lymph Nodes/pathology ; Adenocarcinoma of Lung/pathology ; Lung Neoplasms/diagnosis ; Lung Neoplasms/pathology
    Chemical Substances Thyroglobulin (9010-34-8)
    Language English
    Publishing date 2023-05-19
    Publishing country England
    Document type Case Reports ; Journal Article
    ISSN 1757-790X
    ISSN (online) 1757-790X
    DOI 10.1136/bcr-2022-254014
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Schwannoma-like uterine leiomyoma with fever of unknown origin and surgical management in a middle-aged woman: A case report.

    Yorita, Kenji / Nakagawa, Tomotaka / Hirano, Koki / Nakatani, Kimiko

    Radiology case reports

    2023  Volume 18, Issue 5, Page(s) 1691–1694

    Abstract: Herein, we describe a 42-year-old woman with multiple uterine leiomyomas with interesting clinical and histologic findings. She had no medical history, except for uterine myomas, which were diagnosed in her early 30s. She presented with fever and lower ... ...

    Abstract Herein, we describe a 42-year-old woman with multiple uterine leiomyomas with interesting clinical and histologic findings. She had no medical history, except for uterine myomas, which were diagnosed in her early 30s. She presented with fever and lower abdominal pain, and her symptoms did not respond to antibiotics and antipyretics. The clinical evaluation suggested that degeneration of the largest myoma might be the cause of her symptoms, and pyomyoma was suspected. As she had sustained lower abdominal pain, hysterectomy and bilateral salpingectomy were performed. Histopathological examination confirmed the presence of usual-type uterine leiomyomas without suppurative inflammation. The largest tumor showed a rare morphology with a predominant schwannoma-like growth pattern and infarct-type necrosis. Thus, schwannoma-like leiomyoma was diagnosed. This rare tumor might be one of the manifestations of hereditary leiomyomatosis and renal cell cancer syndrome; however, this patient was unlikely to have that rare syndrome. Herein, the clinical, radiological, and pathologic findings of a schwannoma-like leiomyoma are presented and we have raised the question of whether patients with schwannoma-like uterine leiomyoma are more likely to be associated with hereditary leiomyomatosis and renal cell cancer syndrome than those with usual-type uterine leiomyoma.
    Language English
    Publishing date 2023-02-27
    Publishing country Netherlands
    Document type Case Reports
    ZDB-ID 2406300-9
    ISSN 1930-0433
    ISSN 1930-0433
    DOI 10.1016/j.radcr.2023.01.094
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Fibroepithelial urethral polyp with minor prostatic glands in an older man.

    Yorita, Kenji / Naroda, Takushi / Tamura, Masato

    BMJ case reports

    2023  Volume 16, Issue 2

    Abstract: We describe a man in his 60s with an incidentally detected urethral polyp located in the middle section of his penile shaft. The patient had been suffering from urinary retention for 9 years due to benign prostatic hyperplasia. He was initiated on clean ... ...

    Abstract We describe a man in his 60s with an incidentally detected urethral polyp located in the middle section of his penile shaft. The patient had been suffering from urinary retention for 9 years due to benign prostatic hyperplasia. He was initiated on clean intermittent catheterisation to drain urine 1 year before the detection of the urethral polyp. Holmium laser nucleation of the prostate was performed, and an anterior urethral polyp (5 mm in diameter) was resected. Pathology indicated that the urethral polyp was a fibroepithelial polyp with prostate-specific antigen-immunoreactive heterotopic prostatic glands. There were no problems with urination 6 months after surgery. Fibroepithelial urethral polyps are usually congenital and are rarely described in adults. The clinicopathological features of this polyp, with its uniquely associated minor prostatic glands, are presented.
    MeSH term(s) Male ; Adult ; Humans ; Prostate/pathology ; Urethral Neoplasms/pathology ; Urethra/pathology ; Urinary Retention/complications ; Prostate-Specific Antigen ; Neoplasms, Squamous Cell/complications ; Polyps/pathology
    Chemical Substances Prostate-Specific Antigen (EC 3.4.21.77)
    Language English
    Publishing date 2023-02-02
    Publishing country England
    Document type Case Reports ; Journal Article
    ISSN 1757-790X
    ISSN (online) 1757-790X
    DOI 10.1136/bcr-2022-253151
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Non-oncocytic cystadenoma of the vocal cord: an unusual vocal cord lesion.

    Yorita, Kenji / Morozumi, Ryota / Miyazaki, Katsushi / Shono, Hitoshi

    Pathology

    2023  Volume 55, Issue 7, Page(s) 1029–1031

    MeSH term(s) Humans ; Vocal Cords/pathology ; Cystadenoma/pathology ; Parotid Neoplasms/pathology
    Language English
    Publishing date 2023-07-21
    Publishing country England
    Document type Letter
    ZDB-ID 7085-3
    ISSN 1465-3931 ; 0031-3025
    ISSN (online) 1465-3931
    ISSN 0031-3025
    DOI 10.1016/j.pathol.2023.05.014
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 723: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  6. Article ; Online: Can colonic inflammatory polyp with numerous immunoglobulin G4-positive plasma cells represent a colonic manifestation of immunoglobulin G4-related disease? A case report.

    Yorita, Kenji / Iwamura, Shinichi

    Clinical journal of gastroenterology

    2019  Volume 12, Issue 5, Page(s) 398–402

    Abstract: We present an asymptomatic case of a 79-year-old Japanese man who had a 6 mm colonic inflammatory polyp with numerous immunoglobulin G4 (IgG4)-positive plasma cells. No symptoms or abnormal laboratory data, such as changes in serum IgG4 levels, were ... ...

    Abstract We present an asymptomatic case of a 79-year-old Japanese man who had a 6 mm colonic inflammatory polyp with numerous immunoglobulin G4 (IgG4)-positive plasma cells. No symptoms or abnormal laboratory data, such as changes in serum IgG4 levels, were found at the time of diagnosis or during the 1 year of follow-up thereafter. Additionally, no diffuse/localized swelling or masses were found in organs, except for colonic polyps, by abdominal computed tomography 1 year prior to the polypectomy. Inflammatory myofibroblastic tumor was unlikely from the lack of spindle cell proliferation and ALK immunoreactivity. This is the first case of this colonic polyp in an asymptomatic person. This polyp could be probable for single organ manifestation of IgG4-related disease (IgG4-RD), according to the comprehensive diagnostic criteria for IgG4-RD published in 2012; however, colonic manifestation of IgG4-RD has not been clarified owing to its rarity, and colon-specific criteria for IgG4-RD have not been proposed. Thus, we could not definitively establish the colonic polyp as IgG4-RD. Therefore, careful clinicopathological evaluation is needed to reveal whether this colonic polyp represents a nonspecific inflammatory response or an early manifestation of IgG4-RD.
    MeSH term(s) Adenoma/etiology ; Adenoma/immunology ; Adenoma/pathology ; Aged ; Colonic Polyps/etiology ; Colonic Polyps/immunology ; Colonic Polyps/pathology ; Colonoscopy ; Humans ; Immunoglobulin G/analysis ; Immunoglobulin G4-Related Disease/complications ; Immunoglobulin G4-Related Disease/immunology ; Male ; Plasma Cells/immunology ; Plasma Cells/pathology
    Chemical Substances Immunoglobulin G
    Language English
    Publishing date 2019-03-20
    Publishing country Japan
    Document type Case Reports ; Journal Article
    ZDB-ID 2429411-1
    ISSN 1865-7265 ; 1865-7257
    ISSN (online) 1865-7265
    ISSN 1865-7257
    DOI 10.1007/s12328-019-00966-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Clinicopathologic study of 10 cases of gastric adenocarcinoma with hepatoid or enteroblastic differentiation.

    Kuroda, Naoto / Yorita, Kenji

    Polish journal of pathology : official journal of the Polish Society of Pathologists

    2018  Volume 69, Issue 2, Page(s) 128–135

    Abstract: Gastric adenocarcinoma with hepatoid or enteroblastic differentiation (GAHED), known also as AFP-producing carcinoma, is a rare neoplasm. Ten cases with GAHED and 209 cases without GAHED were selected. Clinicopathological features of GAHED were ... ...

    Abstract Gastric adenocarcinoma with hepatoid or enteroblastic differentiation (GAHED), known also as AFP-producing carcinoma, is a rare neoplasm. Ten cases with GAHED and 209 cases without GAHED were selected. Clinicopathological features of GAHED were investigated. The disease-free survival (DFS) of the GAHED group was compared with that of the non-GAHED group. Grossly, the tumours consisted of two early types and eight advanced types. Histologically, all tumours were composed of various proportions of tubular, cribriform, papillary, solid, and/or trabecular growth patterns of clear to slightly eosinophilic tumour cells. Hyaline globules were observed in all tumours. AFP and Hep-Par1 were immunoreactive in all tumours. In fluorescence in situ hybridisation of HER2 gene/chromosome 17, the amplification of HER2 gene was observed in two cases that showed positive reaction for HER2 protein. Clinical follow-up was available in nine cases. Regarding the clinical outcome, 3 and 6 patients were alive without disease and alive with disease, respectively. In a statistical analysis, the DFS of the GAHED group was significantly worse than that of the non-GAHED group. GAHED is morphologically characterised by various growth patterns of clear to slightly eosinophilic tumour cells and intracytoplasmic possession of hyaline globules. This tumour may have the potential to behave in an aggressive clinical fashion.
    MeSH term(s) Adenocarcinoma/diagnosis ; Adenocarcinoma/pathology ; Biomarkers, Tumor ; Cell Differentiation ; Disease-Free Survival ; Humans ; Immunohistochemistry ; In Situ Hybridization, Fluorescence ; Stomach Neoplasms/diagnosis ; Stomach Neoplasms/pathology ; alpha-Fetoproteins
    Chemical Substances Biomarkers, Tumor ; alpha-Fetoproteins
    Language English
    Publishing date 2018-10-23
    Publishing country Poland
    Document type Journal Article
    ZDB-ID 1283064-1
    ISSN 1233-9687 ; 0031-3114
    ISSN 1233-9687 ; 0031-3114
    DOI 10.5114/pjp.2018.76696
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 377: Show issues Location:
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  8. Article ; Online: Adrenal Schwannoma in an Elderly Man: A Case Report and Literature Review.

    Yorita, Kenji / Naroda, Takushi / Tamura, Masato / Ito, Satoshi / Nakatani, Kimiko

    Internal medicine (Tokyo, Japan)

    2021  Volume 61, Issue 1, Page(s) 65–69

    Abstract: Schwannoma is a common mesenchymal neoplasm; however, adrenal schwannoma is rare, and it is frequently misdiagnosed as adrenal cortical adenoma. We herein report a 91-year-old Japanese man with right adrenal schwannoma that was pathologically diagnosed ... ...

    Abstract Schwannoma is a common mesenchymal neoplasm; however, adrenal schwannoma is rare, and it is frequently misdiagnosed as adrenal cortical adenoma. We herein report a 91-year-old Japanese man with right adrenal schwannoma that was pathologically diagnosed after adrenalectomy. To our knowledge, this is the first case of adrenal schwannoma in the oldest patient and with the longest follow-up period reported, including radiological images from 10 years earlier.
    MeSH term(s) Adrenal Gland Neoplasms/diagnostic imaging ; Adrenal Gland Neoplasms/surgery ; Adrenalectomy ; Adrenocortical Adenoma ; Aged ; Aged, 80 and over ; Humans ; Laparoscopy ; Male ; Neurilemmoma/diagnostic imaging ; Neurilemmoma/surgery
    Language English
    Publishing date 2021-06-26
    Publishing country Japan
    Document type Case Reports ; Journal Article ; Review
    ZDB-ID 32371-8
    ISSN 1349-7235 ; 0021-5120 ; 0918-2918
    ISSN (online) 1349-7235
    ISSN 0021-5120 ; 0918-2918
    DOI 10.2169/internalmedicine.7026-21
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    Zs.A 240: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
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  9. Article: Primary syphilis presenting as a painful unilateral inguinal lymphadenopathy, without cutaneous manifestations, in a 71-year-old Japanese man: A case report.

    Yorita, Kenji / Ito, Chikane / Fujioka, Ai / Kashiwagi, Keisuke / Yamai, Hiromichi / Nakatani, Kimiko / Kumon, Tatsuya

    Radiology case reports

    2022  Volume 18, Issue 1, Page(s) 280–284

    Abstract: Syphilitic infection is usually observed in young patients, and the first stage of the disease (primary syphilis) is characterized by painless cutaneous and lymph node lesions. Herein, we describe a 71-year-old Japanese man with primary syphilis that ... ...

    Abstract Syphilitic infection is usually observed in young patients, and the first stage of the disease (primary syphilis) is characterized by painless cutaneous and lymph node lesions. Herein, we describe a 71-year-old Japanese man with primary syphilis that presented as unilateral inguinal lymphadenopathy without skin lesions. Originally, an incarcerated hernia was clinically suspected. The lymph node pathologically showed suppurative lymphadenitis with vague granulomas; immunohistochemistry was highly suggestive of a syphilitic infection. Primary syphilis was confirmed by positive serological tests. Syphilitic infection should be included in the clinicopathological differential diagnoses for patients with inguinal lymphadenopathy, even in elderly patients without skin lesions.
    Language English
    Publishing date 2022-11-07
    Publishing country Netherlands
    Document type Case Reports
    ZDB-ID 2406300-9
    ISSN 1930-0433
    ISSN 1930-0433
    DOI 10.1016/j.radcr.2022.10.045
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  10. Article: Current Knowledge and Prospects for Renal Hemangioblastoma and Renal Cell Carcinoma with Hemangioblastoma-like Features.

    Kojima, Fumiyoshi / Musangile, Fidele Y / Matsuzaki, Ibu / Yorita, Kenji / Kuroda, Naoto / Nagashima, Yoji / Murata, Shin-Ichi

    Biomedicines

    2023  Volume 11, Issue 5

    Abstract: Tumors exhibiting histopathological findings similar to those of hemangioblastoma of the central nervous system (CNS-HB) rarely develop in the kidneys. Currently, renal hemangioblastoma (RHB) is considered analogous to CNS-HB; however, they differ in ... ...

    Abstract Tumors exhibiting histopathological findings similar to those of hemangioblastoma of the central nervous system (CNS-HB) rarely develop in the kidneys. Currently, renal hemangioblastoma (RHB) is considered analogous to CNS-HB; however, they differ in gross appearance, as well as immunohistochemical and molecular findings. In contrast, some renal cell carcinomas reportedly comprise distinct, clear cell renal cell carcinoma (CCRCC)- and hemangioblastoma (HB)-like areas. Initially, renal cell carcinomas with HB-like features (RCC-HBs) were considered a morphological variant of CCRCC owing to their diverse histological findings. However, the immunohistochemical and molecular findings of RCC-HBs suggest that RCC-HB is distinct from CCRCC. Additionally, one of the RCC-HBs had a focal leiomyomatous stroma and
    Language English
    Publishing date 2023-05-17
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2720867-9
    ISSN 2227-9059
    ISSN 2227-9059
    DOI 10.3390/biomedicines11051467
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