Storiform pattern
A storiform, cartwheel or whorled pattern is a sign in histopathology which consists of spindle cells with elongated nuclei radiating from a center point. The name "storiform" originates from Latin storea (woven), as storiform tissue tends to resemble woven fabric on microscopy.
Skin tumors that can be classified as "storiform" are mainly:[1]
- Fibrous histiocytoma (dermatofibroma)
- Soft tissue perineurioma
- Dermatofibrosarcoma protuberans
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![Dermatofibrosarcoma protuberans. HE stain.]]](/media/wikipedia/commons/thumb/9/9a/Histopathology_of_cartwheel_pattern_in_dermatofibrosarcoma_protuberans%2C_annotated.jpg/330px-Histopathology_of_cartwheel_pattern_in_dermatofibrosarcoma_protuberans%2C_annotated.jpg)
Dermatofibrosarcoma protuberans. HE stain.]] -
A collagenoma, having a cartwheel or woven appearance.
![Dermatofibrosarcoma protuberans. HE stain.]]](/wiki/File:Histopathology_of_cartwheel_pattern_in_dermatofibrosarcoma_protuberans,_annotated.jpg?lang=en)
References
- ^ Choi, Joon Hyuk; Ro, Jae Y. (2018). "Cutaneous Spindle Cell Neoplasms: Pattern-Based Diagnostic Approach". Archives of Pathology & Laboratory Medicine. 142 (8): 958–972. doi:10.5858/arpa.2018-0112-RA. ISSN 0003-9985. PMID 30040457.
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