Follicular dendritic cell sarcoma and interdigitating reticulum cell sarcoma: a review.

Neoplasms of reticular dendritic origin are extremely rare and include the follicular dendritic cell sarcoma (FDCS) and the interdigitating reticulum (or dendritic) cell sarcoma (IDCS). In this article, we review the literature pertaining to the two diseases and describe clinical observations and salient pathologic features, including information provided by authors of FDCS and IDDCS reports. We performed a computerized database search for published articles regarding FDCS and IDDCS.

Extraskeletal osteosarcomas: a clinicopathologic study of 25 cases.

A follow-up investigation of 25 cases of extraskeletal osteosarcomas diagnosed at the Center for Bone and Soft Tissue Tumors, Aarhus University Hospital, Denmark, in the period from 1970-1995 was undertaken. The immunohistochemical profile of these tumors was evaluated using a panel of 10 antibodies, and the value of alkaline phosphatase staining in differential diagnostic situations also was considered. The study revealed that this tumor is high-grade malignant and affects adults (median age, 67 years; range, 35-82 years) at diagnosis.

A retrospective clinicopathological study of 37 patients with chordoma: a danish national series.

Purpose. There are, in general, few published series on chordoma. It is a rare disease and further data are still needed.

Clinical and histopathological prognostic factors in chondrosarcomas.

Purpose. In an attempt to identify clinical and histopathological factors of prognostic importance in chondrosarcomas, 115 cases of malignant and borderline chondromatous tumours were reviewed.Patients/methods.