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ABSTRACT Nodular fasciitis (NF) is a rare fibroblast proliferation of unknown etiology, with benign, rapid clonal growth, from a superficial fascia to the subcutaneous tissue or an adjacent muscular layer. Also known as pseudosarcomatous fasciitis, this clinical syndrome is characterized as a solitary mass of hardened consistency, painless palpation and no gender preference. The definitive diagnosis is made by immunohistochemistry and surgery is the treatment of choice.

ABSTRACT Testicular cancers are classified in germ cell and non-germ cell tumors, as well as, liposarcomas. We report the case of a patient with a large testicular liposarcoma, submitted to surgical treatment with excision of scrotal pouch and segment of the spermatic cord, and the left testicle, showing a good evolution. This report presents one of the first cases of a sclerosing variant of well-differentiated testicular liposarcoma, large in size and with no association with another cancer. Due to their location, the diagnosis is difficult and unusual. Complete tumor resection and regular medical follow-up show a good prognosis, less recurrence, and little cellular differentiation.

ABSTRACT The osteoblastoma-like tumor is a rare condition with limited information about its treatment in the current medical literature. The tumor histologically resembles osteoblastoma, although the imaging features are similar to those seen in primary vascular lesions. Due to the uncertainty in the biological behavior of this tumor and because it is an unusual diagnosis, treatment can be aggressive, such as amputation, en bloc resection, and/or chemotherapy. This work reports a rare case of a patient with multicentric osteoblastoma-like in the craniofacial region, treated aggressively with total resection of the lesions.