Lifang Cui1, Jixin Zhang2, Xinmin Zhang3, Hong Chang1, Congling Qu1, Jiangying Zhang1, Dingrong Zhong4. 1. Department of Pathology, Beijing Shijitan Hospital, Capital Medical University China. 2. Department of Pathology, Peking University First Hospital Beijing, China. 3. Department of Pathology and Laboratory Medicine, Temple University Hospital Philadelphia, PA, USA. 4. Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100730, China.
Abstract
AIMS: To study the clinicopathologic features of Stewart-Treves syndrome (STS) in postmastectomy patients including the epidemiology, presentation, morphology, differentiation, pathogenesis and therapeutic options. METHODS AND RESULTS: Ten cases of STS in postmastectomy patients were retrospectively identified in our archives, and immunohistochemistry for CD34, CD31, D2-40, HHV-8, CK, EMA and Ki-67 was performed. All ten patients presented with lymphedema after mastectomy as the first sign. Physical examination revealed multiple raised, pinkish-red papulo-vesicular lesions or ulceration as the early evidence of tumor in the field where radiation therapy was introduced. Microscopic examination revealed infiltrative proliferation of vessels and the heteromorphic tumor cells expressed CD34, CD31 and D2-40. Despite the various treatment modalities, 5 patients died in an average of 19 months, 4 patients survived to the last follow-up (9-31 months), and 1 patient got lost. CONCLUSIONS: STS is a fatal complication of postmastectomy lymphedema. Patients with STS have very poor prognosis. The key to improve patient's survival is the early diagnosis through a high alert of this disease by primary care physicians and comprehensive physical examination of patients with pertinent history and suspicious clinical presentations followed by prompt biopsy for definitive diagnosis.
AIMS: To study the clinicopathologic features of Stewart-Treves syndrome (STS) in postmastectomy patients including the epidemiology, presentation, morphology, differentiation, pathogenesis and therapeutic options. METHODS AND RESULTS: Ten cases of STS in postmastectomy patients were retrospectively identified in our archives, and immunohistochemistry for CD34, CD31, D2-40, HHV-8, CK, EMA and Ki-67 was performed. All ten patients presented with lymphedema after mastectomy as the first sign. Physical examination revealed multiple raised, pinkish-red papulo-vesicular lesions or ulceration as the early evidence of tumor in the field where radiation therapy was introduced. Microscopic examination revealed infiltrative proliferation of vessels and the heteromorphic tumor cells expressed CD34, CD31 and D2-40. Despite the various treatment modalities, 5 patients died in an average of 19 months, 4 patients survived to the last follow-up (9-31 months), and 1 patient got lost. CONCLUSIONS: STS is a fatal complication of postmastectomy lymphedema. Patients with STS have very poor prognosis. The key to improve patient's survival is the early diagnosis through a high alert of this disease by primary care physicians and comprehensive physical examination of patients with pertinent history and suspicious clinical presentations followed by prompt biopsy for definitive diagnosis.
Entities:
Keywords:
Angiosarcoma; breast cancer; extremity swelling; radiation
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