Patient Data
A large heterogeneous mass in the pelvis is present with enhancing and cystic components.
Case Discussion
Patient went on to have a resection.
Histology
Gross Description:
The specimen is received in a plastic bag labeled with the patient's demographics and pelvic tumor. It consists of a large fragment of previously deflated cystic mass measuring 9 cm in diameter. The cystic wall is smooth with some areas of hemorrhage and varies in thickness between 1 and 2 cm.
Microscopic Description:
Sections show an encapsulated benign spindle cell tumor with cystic elements. Antoni A and B areas are seen. Verocay body formation is focally prominent. A localized area of chronic inflammation composed of plasma cells and lymphocytes is seen, associated with hemosiderin.
Final Diagnosis: