Gastric glomus tumor

This case report describes glomus tumor of the stomach, a rare entity, which is a mesenchymal origin tumor. They are generally benign and account for nearly 1% of all gastrointestinal (GI) soft-tissue tumors. They are almost impossible to diagnose preoperatively because of the lack of specific characteristics and are often mistaken for GI stromal tumors (GISTs). In our hospital setup, a female aged 24 years, presented with right lumbar abdominal pain which after a thorough workup leads to the preoperative diagnosis of GIST, and distal gastrectomy with Roux-en-y anastomosis was done. However, pathological and immunohistochemical findings done after the surgery were found consistent with the diagnosis of gastric glomus tumor. Discovered on GIST-1 (DOG-1) nonreactivity is considered for the diagnosis of glomus tumor which helps in excluding the diagnosis of GIST, which is positive for DOG-1. Hence, it was concluded that differential diagnosis on the basis of immunohistochemical findings can lead to an accurate preoperative diagnosis and further targeted surgical intervention.

Abstract licence: CC BY-NC-SA

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