Results 61 to 70 of about 7,018 (165)

Neurofibroma in the Left Mandible: A Case Report

Kaohsiung Journal of Medical Sciences, 2010
We report a rare case of isolated neurofibroma arising in the left mandible without family history of neurofibromatosis type 1. The tumor was histopathologically analyzed and an immunohistochemical panel comprising S-100 protein was performed. Vim, HMB45,
Qian Tao, Yi Wang, Chaoqun Zheng
doaj   +1 more source

A subset of high‐grade sarcomas with myogenic differentiation are associated with recurrent FGFR fusions

The Journal of Pathology: Clinical Research, Volume 12, Issue 4, July 2026.
Abstract Recurrent fusions involving FGFR1‐4 genes have been previously described in rare subsets of mostly benign chondroid and mesenchymal neoplasms involving bone and soft tissue. However, a more comprehensive analysis of sarcomas associated with FGFR fusions, including their incidence and histotypes, has not been performed.
Maximus CF Yeung, Carla Saoud, Sarah Chiang, Meera Hameed, Cristina R Antonescu   +4 more
wiley   +1 more source

A distinctive translocation carcinoma of the kidney; "rosette forming," t(6;11), HMB45-positive renal tumor: a histomorphologic, immunohistochemical, ultrastructural, and molecular genetic study of 4 cases

, 2012
To date, only a few cases of "rosette forming t(6;11), HMB45-positive renal carcinoma" have been published. In this article, we contribute further data on 4 cases of this rare entity.
Branžovský J, Trivunic S, Michal M, Petersson F, MARTIGNONI, Guido, BRUNELLI, Matteo, Hes O., Kacerovská D, Hora M, Yang X, Spagnolo D, Halbhuber Z, Kuroda N, Cabrero IA, Vaněček T, Steiner P   +15 more
core   +1 more source

Diagnostic performance of melanocytic markers for immunocytochemical evaluation of lymph-node melanoma metastases on cytological samples

, 2022
Aims: The diagnosis of metastatic cutaneous melanoma (CM) on lymph node fine needle aspiration samples may be challenging and usually requires confirmation by immunocytochemistry.
Pagliuca F., Russo D., Cozzolino I., Toni G., Signoriello G., Brancaccio G., Franco R., Argenziano G., Moscarella E., Zito Marino F., Ronchi A.   +10 more
core   +1 more source

MITF、S-100蛋白、HMB45在黑素瘤以及色素痣中的表达及意义

Zhongguo shiyan zhenduanxue, 2011
黑素瘤的病理表现千变万化,免疫染色尤为重要。到目前为止,我们常用的黑素细胞的标记物有S-100蛋白和HMB45,S-100蛋白敏感性高,但缺乏特异性,除了黑素细胞以外,雪旺细胞、肌上皮细胞、脂肪细胞、软骨细胞、组织细胞以及郎格罕细胞均阳性。而HMB45特异性较强 ...
尹占东, 夏建新, 王延龙, 王劲风, 牟妍, 梅向林, 倪劲松   +6 more
doaj  

Primary adrenal melanoma with extensive metastasis: a case report and literature review

Frontiers in Oncology
Primary adrenal melanoma is an exceedingly rare diagnosis. We present a case of primary left adrenal melanoma with rapid and extensive distant metastasis.
Qi Guo, Dai Shi, Guilai Li, Yue Liu, Guoping Xu   +4 more
doaj   +1 more source

PEComa: A Perivascular Epithelioid Cell Tumor in the Liver—A Case Report and Review of the Literature

Case Reports in Medicine, 2013
Perivascular epithelioid cell tumors are soft tissue tumors that can occur in various locations in the body whose incidence is rising. Hepatic PEComas are quite rare and diagnosis involves positivity of Melan-A and HMB45 on immunohistochemistry.
Faseeh Khaja, Allison Carilli, Said Baidas, Aravindhan Sriharan, Shanedelle Norford   +4 more
doaj   +1 more source

Cytomorphology and Molecular Profile of Hyalinizing Clear Cell Carcinoma of the Lung: A Case With Mucinous Differentiation

Diagnostic Cytopathology, Volume 54, Issue 7, Page E165-E169, July 2026.
ABSTRACT Hyalinizing clear cell carcinoma (HCCC) of the lung is an exceedingly rare salivary gland‐type neoplasm with limited cytomorphologic description. We report a case highlighting these features. A 3 mm incidental left‐airway lesion enlarged to 7 mm over 5 months, prompting radial endobronchial ultrasound (EBUS)‐guided transbronchial biopsy. Touch
Jeffrey Zijie Lin, Lucy Jager
wiley   +1 more source

Renal epithelioid angiomyolipoma with epithelial cysts: demonstration of melan A and HMB45 positivity in the cystic epithelial lining

, 2012
Renal angiomyolipoma (AML) may present as rare variants such as epithelioid and AML with epithelial cysts posing difficulties for the diagnosis to the surgical pathologist.
Daniele Meneses de Amorim, Paulo Roberto Fontes Athanazio, Pereira Filho, José do Egypto, Sweet, Gloria Maria Maranh??o, José do Egypto Pereira Filho, Athanazio, Paulo Roberto Fontes, Luiz Antonio Rodrigues de Freitas, Amorim, Daniele Meneses de, Sweet, Glória Maria Maranhão, Freitas, Luiz Antonio Rodrigues de, Pereira Filho, Jos?? do Egypto, Athanazio, Daniel Abensur, Gloria Maria Maranhão Sweet, Daniel Abensur Athanazio   +13 more
core   +1 more source

Myopericytoma of low grade malignancy in the oral cavity

Rare Tumors, 2012
Myopericytoma (MPC) of the oral cavity is extremely rare. Herein reported is a case of MPC of low grade malignancy in the oral cavity. A 61-year-old man noticed a tumor of the cheek mucosa, and admitted to our hospital.
Tadashi Terada
doaj   +1 more source