Results 81 to 90 of about 7,018 (165)

Female Urethral Malignant Melanoma With Vesical Invasion: A Case Report

Kaohsiung Journal of Medical Sciences, 2010
We report a 75-year-old female with a primary urethral malignant melanoma. A mass protruding from inside the urethra was detected on physical examination.
Alpaslan Akbas, Tolga Akman, Mehmet Remzi Erdem, Baran Antar, Isin Kilicaslan, Sinasi Yavuz Onol   +5 more
doaj   +1 more source

Incidental Primary Angiomyolipoma of Ovary: A Rare Case Report and Literature Review

Clinical Case Reports
Primary angiomyolipomas of the ovary which are not associated with genetical systemic diseases, particularly tuberous sclerosis, are extremely rare and are more likely to pose diagnostic challenges.
James J. Yahaya, Emmanuel D. Morgan, Veronica Nyakato, Emmanuel Othieno   +3 more
doaj   +1 more source

Clinicopathological and molecular features of gynecologic perivascular epithelioid cell tumors: a single-center study

Frontiers in Oncology
BackgroundPerivascular epithelioid cell tumors (PEComas) are rare neoplasms characterized by the expression of both melanocytic and myoid markers. Gynecologic PEComa may show overlapping with smooth muscle tumors and other uterine tumors.
Heng Li, Xiaoteng Sun, Zhihui Hou, Rui Xin, Chunrong Li, Li Li   +5 more
doaj   +1 more source

Amelanotic Melanoma Masquerading as a Granular Cell Lesion

Case Reports in Dentistry, 2013
Amelanotic melanoma (AM) presents a diagnostic challenge due to its wide clinical presentations, lack of pigmentation, and varied histological appearances. Immunohistochemistry plays a crucial role in the diagnosis of these lesions.
Deepak Pandiar, Shaini Basheer, P. M. Shameena, S. Sudha, Lakshmi J. Dhana   +4 more
doaj   +1 more source

Perivascular epithelioid cell (PEC) tumors of the uterus: a clinicopathologic study of two cases with aggressive features

, 2005
We report the clinicopathologic, immunohistochemical and ultrastructural features of two unusual tumors of the uterus composed of spindle and epithelioid cells strongly positive for HMB45.
ROCCA PC, MACCIONI A, LONGA L, MASSARELLI G., MARTIGNONI, Guido, ROCCA P, BOSINCU L, NOGALES FF, NOGALES F   +8 more
core   +3 more sources

Cytological, histopathological and immunohistochemical features of merkel cell carcinoma- A case report

Archives of Medicine and Health Sciences, 2018
Merkel cell carcinoma (MCC) is a rare, potentially aggressive primary cutaneous neuroendocrine carcinoma. MCC commonly occurs on sun-exposed skin in fair-skinned elderly individuals.
Pooja Chauhan, Neelam Gupta, Kavita Mardi, Sudershan Kumar Sharma, Anita Negi   +4 more
doaj   +1 more source

Primarymonotypic epithelioid angiomyolipoma of bone

, 2002
AIMS: Monotypic epithelioid angiomyolipoma is a distinct and definable variant of angiomyolipoma, composed of monomorphous epithelioid cells that show HMB45 immunoreactivity.
L Insabato, F Di Santo, Fazioli F, F Fazioli, Terracciano LM, J Rosai, DE ROSA, GAETANO, INSABATO, LUIGI, G De Rosa, L M Terracciano, Di Santo F, Rosai J.   +11 more
core   +1 more source

High resolution images of case no. 137 on the tissue microarray.

, 2012
Serial sections of the tissue microarray (TMA 1) was immunohistochemically stained with CD20 (Panel A, B) and HMB45 (Panel C, D) to show CD20 positive B-lymphocytes within and adjacent to melanoma cells (case no. 137).
Thomas J. Fuchs (159846), Stefanie Meyer (159843), Kristian Ikenberg (157286), Ferdinand Hofstädter (159855), Michael Landthaler (159877), Holger Moch (159876), Peter J. Wild (159882), Thomas Vogt (159878), Armin Pauer (159860), Nikos Anagnostou (159872), Volker Roth (40194), Joachim M. Buhmann (159866), Ingrid Moll (159869), Johanna M. Brandner (159874), Anja K. Bosserhoff (159850)   +14 more
core   +1 more source

β-Catenin Is a Useful Adjunct Immunohistochemical Marker for the Diagnosis of Pulmonary Lymphangioleiomyomatosis

, 2011
Lymphangioleiomyomatosis (LAM) is a rare multisystem disease leading to cystic destruction of the lung parenchyma and is associated with abnormal smooth muscle proliferation affecting airways, lymphatics, and blood vessels.
Jennifer Cook, Myles Brown, Brown, Myles, Loda, Massimo F., Flavin, Richard J., Cook, Jennifer, Dyane Bailey, Bailey, Dyane, Richard J. Flavin, Michelangelo Fiorentino, Massimo F. Loda, Fiorentino, Michelangelo   +11 more
core   +2 more sources

P16-Ki67-HMB45 Immunohistochemical Profiling May Help Discriminate Between Spitzoid Melanoma and Atypical Spitz Nevi

, 2018
Background When Spitz nevi have increased vertical thickness (\u3e1.5 MM), show ulceration and deep seated mitosis, the differential diagnostic considerations of atypical Spitz nevus (ASN) or a Spitzoid melanoma (SM) enter into consideration.
Garola, Robert E, Singh, Vivekanand
core