Malignant perivascular epithelioid cell tumor of the nasal cavity
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چکیده
منابع مشابه
Malignant perivascular epithelioid cell tumor of the uterus
Perivascular epithelioid cell tumors (PEComas) are a rare collection of tumors arising in a wide array of anatomic locations and characterized by a myomelanocytic phenotype. PEComas which occur in non-classic anatomic distributions are known as perivascular epithelioid cell tumor-not otherwise specified (PEComa-NOS), and one of the most common primary sites for PEComa-NOS is the uterus. The ris...
متن کاملMalignant perivascular epithelioid cell tumor of the retroperitoneum.
Perivascular epithelioid cell tumors (PEComas) are a rare type of mesenchymal neoplasms characterized by a proliferation of perivascular cells with an epithelioid phenotype and expression of myo-melanocytic markers. The majority of PEComas seem to be benign and usually their prognosis is good. Malignant cases are extremely rare, exhibiting a malignant course with local recurrences and distant m...
متن کاملMalignant Perivascular Epithelioid Cell Tumor of the Esophagus
Malignant perivascular epithelioid cell tumor (PEComa) is a rare tumor composed of hybrid tumor cells characterized by immunoreactivity for both melanocytic and smooth muscle markers. This paper describes the uncommon esophageal location of an 8 cm PEComa in a 75-year-old Caucasian man who was presented with ingravescent dysphagia. Although PEComas arising within the gastrointestinal tract are ...
متن کاملHepatic perivascular epithelioid cell tumor
RATIONAL Perivascular epithelioid cell tumor (PEComa) is a rare mesenchymal neoplasm which expresses both myogenic and melanocytic markers. PEComas are found in a variety locations in the body, but up to now only approximately 30 cases about hepatic perivascular epithelioid cell tumor are reported in English language worldwide. PATIENT CONCERNS A 32-year-old woman was admitted in our hospital...
متن کاملPerivascular Epithelioid Cell Tumor in the Stomach
Perivascular epithelioid cell tumors or PEComas can arise in any location in the body. However, a limited number of cases of gastric PEComa have been reported. We present two cases of gastric PEComas. The first case involved a 62-year-old woman who presented with a 4.2 cm gastric subepithelial mass in the prepyloric antrum, and the second case involved a 67-year-old man with a 5.0 cm mass sligh...
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ژورنال
عنوان ژورنال: JOURNAL OF JAPAN SOCIETY FOR HEAD AND NECK SURGERY
سال: 2016
ISSN: 1349-581X,1884-474X
DOI: 10.5106/jjshns.25.311