granular cell tumor
Histologic Features
- A poorly circumscribed neoplasm with
- Prominent pseudocarcinomatous hyperplasia of the epidermis
- Large pale cells with abundant eosinophilic granular cytoplasm and a small central nuclei
- Neoplastic cells grouped in elongated bundles or nests
- Splaying of the elongated bundles between collagen bundles
- Cytoplasmic granules which are PAS positive and diastase resistent
Updated Wednesday, July 31, 2013 8:30:48 PM