نتایج جستجو برای: merkel cell carcinoma
تعداد نتایج: 1881734 فیلتر نتایج به سال:
This case of a Merkel cell carcinoma is unusual due to the occurrence of the tumor on the thigh; most Merkel cell tumors have been found on the sun-exposed region of the head and neck. Histologically, the nodule was composed of sheets of uniform, poorly differentiated cells with a high nuclear to cytoplasmic ratio. Electron microscopy revealed perinuclear filaments, scattered dense core granule...
Merkel cell carcinoma is a rare, aggressive cutaneous tumor that combines the local recurrence rates of infiltrative nonmelanoma skin cancer with the regional and distant metastatic rates of thick melanoma. The NCCN Guidelines for Merkel Cell Carcinoma provide recommendations on the diagnosis and management of this aggressive disease based on clinical evidence and expert consensus. This version...
n engl j med 374;5 nejm.org February 4, 2016 495 volving this pathway has great promise in the treatment of stage IV Merkel-cell carcinoma. However, the interpretation of this case requires some consideration. The authors do not mention radiation therapy as a possible confounder in the spectacular response. Indeed, the patient received hypofractionated radiation to the liver shortly before trea...
HYPOTHESIS Merkel cell carcinoma is a rare dermal neuroendocrine carcinoma whose optimal treatment and prognostic factors are poorly defined. We hypothesize that high-risk patients with Merkel cell carcinoma are best treated with multimodality therapy. DESIGN A retrospective review of all patients (N = 33) with Merkel cell carcinoma treated at the Massachusetts General Hospital from January 1...
Merkel cell carcinoma (MCC) is a rare, aggressive, and often fatal cutaneous malignancy that is not usually suspected at the time of biopsy. Because of its increasing incidence and the discovery of a possible viral association, interest in MCC has escalated. Recent effort has broadened our breadth of knowledge regarding MCC and developed instruments to improve data collection and future study. ...
Merkel cell polyomavirus (MCPyV) is an oncogenic virus associated with Merkel cell carcinoma, an aggressive form of skin cancer with a high (>30%) mortality rate. The virus has a high incidence in patients with immunosuppressed conditions, such as AIDS or leukemia, or following organ transplantation. Here, we report the complete genomic sequence of MCPyV identified from a blood sample from a pa...
Merkel cell carcinoma is a very aggressive, rare cancer of the skin. It has a high propensity for local, regional, and distant recurrence and has recently been associated with a viral etiology from the recently diagnosed Merkel Cell Polyoma Virus. The optimal management remains controversial. We discuss the case of a man with a 26 cm axillary lymph node metastasis of unknown primary treated wit...
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