Background: Malignant perivascular epitheliod cell tumor ... for melanocytic and muscle markers. At present this neoplasm does not have a known normal cellular counterpart and the natural history ...
Most of these lesions are benign or slow growing and the prognosis is significantly better than with pancreatic adenocarcinoma. However, some of these neoplasms slowly undergo malignant transformation ...
Among cancer survivors, excess body weight is associated with an increased risk for a second primary malignant neoplasm, according to a study published online Sept. 17 in JAMA Network Open.
A total of 78 mammary gland neoplasms were observed in these animals (1 in males and 77 in females). Of these, only 14 were malignant. Most were fibroadenomas (the only mammary gland neoplasm ...