نتایج جستجو برای: malignant melanoma

تعداد نتایج: 251958  

Journal: :American journal of cancer research 2014
Ichiro Yajima Mayuko Y Kumasaka Osamu Yamanoshita Cunchao Zou Xiang Li Nobutaka Ohgami Masashi Kato

It is well known that heterotrimeric G protein is composed of a Gα-subunit and a Gβγ-dimer and promotes cancer characteristics. Our recent study showed reduced G protein γ2 subunit (Gng2/GNG2) expression levels in malignant melanoma cells compared with those in benign melanocytic cells in both mice and humans. Our recent study also showed that reduced GNG2 alone augmented proliferation of malig...

2011
D Yerrakalva R Ackroyd F Lee

We report here a rare case of metastatic malignant melanoma presenting as ileo-ileal intussusception. A 66-year-old man revealed a past medical history of excision of malignant melanoma, followed by axillary lymph node spread treated with block dissection and radiotherapy. He presented with symptoms of small bowel obstruction and subsequent CT revealed a likely nodular intussusception. Resectio...

2012
Amy Q. Cao Ming Yu Cao

Melanoma is the deadliest form of skin cancer and responsible for 4% of all cancer deaths and 86% of skin cancer-related deaths in the United States (Losina et al., 2007). Melanoma is caused by malignant growth of the melanocytes, which are melanin-producing cells found in the skin’s epidermis, hair, and eyes. In melanoma, these cells undergo an uncontrollable cell growth that manifests in the ...

Journal: :Diagnostic Pathology 2007
Deepali Jain Tejindar singh Naresh Kumar Mradul K Daga

BACKGROUND Metastases of malignant melanoma to the bone marrow are very rare. A few case reports are published in the literature with a known primary site. CASE PRESENTATION Herein we present a case of metastatic malignant melanoma in bone marrow with occult primary site in a 22-year-old-male. Diagnosis was confirmed by morphology and immunohistochemistry. A pertinent review of literature is ...

Journal: :Head & neck 2015
Daniel J Bourgeois Anurag K Singh

BACKGROUND A rare head and neck disease that may benefit from definitive or palliative stereotactic body radiation therapy (SBRT) is sinonasal malignant melanoma. These tumors can be very aggressive and often lead to severe epistaxis and significant mass effect. Results from only a handful of head and neck sinonasal malignant melanoma treated with SBRT are available in the current literature. ...

Abed-Ali Ziaee, Parisa Mousavi-Shafaei, Uwe Zangemeister-Wittke,

Background: Malignant melanoma is a highly metastatic cutaneous cancer and typically refractory to chemotherapy. Deregulated apoptosis has been identified as a major cause of cancer drug resistance, and upregulated expression of the inhibitor of apoptosis protein melanom, an inhibitor of apoptosis (ML-IAP) is frequent in melanoma. Methods: Based on the conclusion that ML-IAP expression contribu...

Journal: :Gastroenterologia y hepatologia 1986
H B Carstens C Ghazi R H Carnighan M S Brewer

Biliary tract obstruction in a 30-year-old man was found to be caused by a malignant melanoma in the common bile duct. Melanin pigment was demonstrated by immunohistochemistry and electron microscopy. Extensive search for a primary malignant melanoma elsewhere was unsuccessful. No pigmented lesions had been removed previously. There were junctional changes in the mucosa of the common bile duct ...

Journal: :Maedica 2014
Mariana Costache Alexandra Stoica Andreea Contolenco Diana Costache Catalin Cirstoiu Olga Simionescu Simion George

ABSTRACT The aim of this case report was to evaluate the histopathological characteristics on a patient with metastases in the femur from malignant melanoma. A review from the literature is also mentioned.We present a case of metastatic malignant melanoma in the femur with known primary site in a 44-year-old-female. Diagnosis was confirmed by histopathology.Malignant melanoma is a cancer that m...

Journal: :Annals of Surgery 1953

Journal: :British Journal of Cancer 1979

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