Category: Malignant mast cell tumor

Pigmented lesions with the following changes often suggest the possibility of early malignant melanoma: i. Color: most malignant melanomas have brown, black, red, white or blue mixed unevenly, when skin…

Malignant melanoma is a tumor arising from melanocytes in the skin and other organs. Primary melanomas are caused by the proliferation of melanocytes in the epidermis and appear as heavily…

The patient is an 86-year-old male who was admitted to the hospital with the main reason of “swelling in the left thigh for 1 year, aggravated for 1 month”. The…

　　Mr. Gao, a 60-year-old man living in Tongnan County, Chongqing, had severe pain in his neck and upper extremities four years ago with no apparent cause, especially when he touched…

　　Any lesion suspected of malignant melanoma must be promptly excised or biopsied to determine the histological diagnosis. Excisional biopsy is not easy to cause injury and tumor cell spread, and…

　　Malignant melanoma is a kind of skin tumor with high malignancy, mostly occurs in the skin surface, accounting for 7%~20% of skin malignant tumors, and its incidence rate accounts for…