نتایج جستجو برای: epithelioid

تعداد نتایج: 4113  

Journal: :Neurology India 2007
Naohisa Miyakoshi Yuji Nishikawa Yoichi Shimada Kyoji Okada Masayuki Yoshida Katsuhiko Enomoto Eiji Itoi

The authors describe an extremely rare case with malignant peripheral nerve sheath tumor (MPNST) with focal epithelioid differentiation presenting as an intraosseous lesion of the spine. A 75-year-old woman presented with progressive paraplegia caused by epidural mass arising from the posterior element of the T7 vertebra. At surgery, the lesion was noted to originate from the T7 vertebra and se...

Journal: :International journal of clinical and experimental pathology 2015
Zehong Chen Huijuan Shi Jianjun Peng Yujie Yuan Jianhui Chen Wu Song

Defined as a family of scarce mesenchymal neoplasm which distinctively co-express melanocytic markers and muscle markers, perivascular epithelioid cell tumors (PEComas) have been reported almost everybody site. Perivascular epithelioid cell tumors-not otherwise specified (PEComas-NOS) arising in the gastrointestinal (GI) tract are still restricted into sporadic case reports. Herein we present a...

Journal: :The European respiratory journal 1995
M E van Kasteren A A van der Wurff F M Palmen A Dolman J F Miseré

In 1973, a 10 year old boy presented with numerous bilateral lung nodules, diagnosed as histiocytosis X by open lung biopsy. The patient was treated with prednisone until 1984. In 1993, he developed severe pain in the neck. A biopsy of the spine revealed the same tumour morphology as was seen in the lung in 1973. Immunohistological examination of the former and present biopsy led to the definit...

Journal: :Hinyokika kiyo. Acta urologica Japonica 2006
Makito Miyake Nobumichi Tanaka Chie Matsushita Masahiro Tanaka Motoyoshi Tanaka Kiyohide Fujimoto Yoshihiko Hirao Noboru Konishi

A 31-year-old man was referred to our department for investigation and treatment of a rapidly-growing mass in the perineal region. MRI showed a periurethral tumor in the perineal region measuring 3.5cm in maximum diameter and bilateral inguinal lymph nodes enlargement. Therefore, the tumor was extirpated immediately with bilateral inguinal lymphadenectomy. The pathological examination with immu...

2017
Tsuyoshi Ito Toshinori Yoshida Katsumi Soma Yoshitaka Katoh Yuko Shimada Aya Ohnuma-Koyama Naofumi Takahashi Yoshimasa Okazaki Atsushi Shiga Maki Kuwahara Takanori Harada

We report a female Crlj:CD1(ICR) mouse with a spontaneous mammary gland tumor composed of biphasic tumor cells, i.e., epithelioid and spindle-shaped myoepithelial cells. Macroscopically, a subcutaneous mass, approximately 3 cm in diameter was found in the lumbodorsal region. Histopathologically, the epithelioid cells proliferated in an alveolar or nest-like growth pattern, occasionally forming ...

2012
Ji-Beom Kim Eunsil Yu Ju-Hyun Shim Gi-Won Song Gwang Un Kim Young-Joo Jin Ho-Seop Park

A 45-year-old male with alleged asymptomatic hepatic hemangioma of 4 years duration had right upper-quadrant pain and was referred to a tertiary hospital. Computed tomography and magnetic resonance imaging scans revealed a hypervascular mass of about 7 cm containing intratumoral multilobulated cysts. A preoperative liver biopsy was performed, but this failed to provide a definitive diagnosis. T...

Journal: :British Journal of Ophthalmology 1997

Journal: :The Journal of Thoracic and Cardiovascular Surgery 2007

Journal: :Case Reports in Pathology 2012

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