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Background. The cell type responsible for the desmoplastic reaction surrounding human pancreatic carcinoma is unknown. Hepatic stellate cells, which activate to a myofibroblast-like form, are responsible for collagen deposition in cirrhosis and around hepatocellular carcinomas. Recently, pancreatic stellate cells have been described and implicated in the fibrosis of chronic pancreatitis. We sought...
A 76-year-old man presented with a painless penile ulcer. After an extensive negative workup, CO 2 laser excision was performed with penile reconstruction. Histologic examination revealed an anaplastic, large cell lymphoma with CD30(+) cells. Computed tomography scans of the thorax, abdomen, and pelvis were negative. He received no adjuvant therapy and was without evidence of recurrence after...
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