Concluded Case

37/ F 20x15 cm mass attached to mesentery. cut section - solid, grey white with whorling pattern seen.

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Concluded answer

Sections revealed spindle cell neoplasm arranged in long sweeping fascicles, interlacing bundles, whorls mimicking neural bundles admixed with capillary proliferation & collagen deposition. Mild nuclear pleomorphism & attempt at tumour giant cell formation noted. P/O : Low grade LMS, Aggresive Fibromatosis, * E- GIST. Advised IHC panel with SMA or H/Caldesmon ; Beta Catenin ; CD 117/ DOG1 respectively.

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Sections revealed spindle cell neoplasm arranged in long sweeping fascicles, interlacing bundles, whorls mimicking neural bundles admixed with capillary proliferation & collagen deposition. Mild nuclear pleomorphism & attempt at tumour giant cell formation noted. P/O : Low grade LMS, Aggresive Fibromatosis, * E- GIST. Advised IHC panel with SMA or H/Caldesmon ; Beta Catenin ; CD 117/ DOG1 respectively.

Spindle cell tumor Dd. GIST ATYPICAL LEIOMYOMA

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Spindle cells arranged in interfacing fascicles and short bundles. These cells are showing spindly hyperchromatic nuclei with small nucleoli. - spindle cell neoplasm. DD- GIST or leiomyoma

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D/D 1. GIST 2.Leoimyoma/ Leiomyosarcoma However , Clinical evaluation and IHC for needful.

Leiomyosarcoma or GIST Advised IHC

smooth muscle leiomyoma / GIST

benign spiñdle cell tumor rd.Gist. leiomyoma.

Spindle cell tumor- Leiomyoma

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