Benign spindle cell tumor - abdominopelvic

Case contributed by Bahman Rasuli


Gradual enlargement of the abdomen, weight loss and loss of appetite.

Patient Data

Age: 55 years
Gender: Female

Computed tomography revealed the presence of a large soft tissue mass, which occupied the abdominal-pelvic cavity. The density of the mass was heterogeneous and slightly lower than the density of the liver.  The mass boundary was defined. The intestines were gathered at the back of the abdominal cavity. 


Microscopic description: Neoplasm composed of benign-appearing single cells, blood vessels and adipose tissues in an edematous stroma suggestive of benign spindle cell tumor.

Case Discussion

Spindle cell tumors are rare tumors that arise most commonly from the peripheral and deep soft tissues. It can present as a large abdominal mass. 

Our case presented with abdominal distention.  CT scan showed a large mass occupying the whole of the abdomen and pelvis.

Exploration of the abdomen revealed a jelly-like mass of about 20 x 20 cm in size. Mass was excised completely and confirmed as spindle cell tumor between grade I-II on histopathology

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