Increased programmed death ligand-1 expression in metastatic Merkel cell carcinoma associates with better prognosis
Merkel cell carcinoma (MCC) is a rare but highly malignant skin cancer with neuroendocrine features and a propensity for both local recurrence and regional lymph node metastases. The prognosis is poor, and the 5-year overall survival rate is very low (0%-18%) for advanced stage MCC 1. Despite a high malignancy rate, some cases have a good prognosis, including cases with spontaneous regression (1.7%-3.0%) 2. Even after spontaneous regression, however, MCC may recur at distant sites 3. Therefore, a precise prognosis is difficult to make.
Source: Journal of Dermatological Science - Category: Dermatology Authors: Motoki Nakamura, Tetsuya Magara, Yuka Nojiri, Haruna Nishihara, Hiroshi Kato, Yukiko Teramoto, Masahito Yasuda, Hidefumi Wada, Toshiyuki Ozawa, Yukie Umemori, Dai Ogata, Tadahiro Kobayashi, Maiko Hata, Kotaro Nagase, Akimichi Morita Tags: Letter to the Editor Source Type: research
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