Nevus sebaceous
Nevus sebaceous, also nevus sebaceous of Jadassohn, is an uncommon congenital benign skin condition.
General
- Congenital - considered a hamartoma.[1]
- Usually sporadic - may be transmitted autosomal dominant.[1]
- Malignant tumours may arise within a nevus sebaceous.
Gross
- Head and neck plaque or papule with:
- Well-circumscribed borders.
- Waxy, yellow appearance.
- Area usu. devoid of hair.[3]
DDx - gross:
Image:
Microscopic
Features:[2]
- Abundant sebaceous glands.
- Immature/abortive hair follicles.
- No normal terminal hair follicles.
- Papillomatous epidermal hyperplasia.
Images
NS (WC)
www:
See also
References
- ↑ 1.0 1.1 1.2 West, C.; Narahari, S.; Kwatra, S.; Feldman, S. (Nov 2012). "Autosomal dominant transmission of nevus sebaceous of Jadassohn.". Dermatol Online J 18 (11): 17. PMID 23217958.
- ↑ 2.0 2.1 Simi, CM.; Rajalakshmi, T.; Correa, M.. "Clinicopathologic analysis of 21 cases of nevus sebaceus: a retrospective study.". Indian J Dermatol Venereol Leprol 74 (6): 625-7. PMID 19171988.
- ↑ Kim, JH.; Park, HY.; Ahn, SK. (Oct 2011). "Nevus sebaceous accompanying secondary neoplasms and unique histopathologic findings.". Ann Dermatol 23 (Suppl 2): S231-4. doi:10.5021/ad.2011.23.S2.S231. PMID 22148058.