E-Posters-10104

Pdf Summary

The study discusses a case of a patient with a rare spindle cell tumor in the ischiorectal fossa, which was excised using the Schuchardt incision. Mesenchymal neoplasms affecting the gastrointestinal tract are typically subepithelial and have features of both smooth muscle and neuronal differentiation. They are divided into two groups, gastrointestinal stromal tumors (GISTs) and non-GIST tumors. GIST tumors universally express CD117 antigen, which is a useful marker for malignant potential. This patient had a spindle cell neoplasm that did not express CD117. The patient underwent surgery with a Schuchardt incision, which allowed for access to the upper vagina and successful removal of the mass. The pathology confirmed a benign spindle cell neoplasm.<br /><br />The article also highlights the rarity of non-GIST tumors involving the colon and emphasizes the usefulness of the Schuchardt incision in providing access to the upper vagina and facilitating dissection of the ischiorectal fossa. The Schuchardt incision, first described in 1893, is ideal for transvaginal exposure and involves making an incision at the 8 o'clock position at the hymenal ring, midway between the anus and ischial tuberosity. The rectum is protected during the procedure to prevent damage.<br /><br />Overall, the case report demonstrates the successful use of the Schuchardt incision in excising a non-GIST spindle cell neoplasm located in the ischiorectal fossa. The incision provided adequate access to the upper vagina and allowed for complete removal of the mass with no complications. Given that the tumor does not express CD117 antigen, the risk of malignant transformation and local recurrence is considered very low.

Meta Tag

Concept Spindle Cell Neoplasm

Concept Ischiorectal Fossa

Concept Gastrointestinal Stromal Tumor

Concept Immunohistochemistry

Concept CD117

Keywords

spindle cell tumor

ischiorectal fossa

Schuchardt incision

mesenchymal neoplasms

gastrointestinal tract

subepithelial

smooth muscle

neuronal differentiation

gastrointestinal stromal tumors

non-GIST tumors

Spindle Cell Neoplasm

Ischiorectal Fossa

Gastrointestinal Stromal Tumor

Immunohistochemistry

CD117