Difference between revisions of "Nevus sebaceous"
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'''Nevus sebaceous''', also '''nevus sebaceous of Jadassohn''', is an uncommon congenital benign [[skin]] condition. | |||
==General== | |||
*Congenital - considered a [[hamartoma]].<ref name=pmid23217958/> | |||
*Usually sporadic - may be transmitted autosomal dominant.<ref name=pmid23217958/> | |||
*Malignant tumours may arise within a ''nevus sebaceous''. | |||
==Gross== | |||
Features:<ref name=pmid23217958>{{Cite journal | last1 = West | first1 = C. | last2 = Narahari | first2 = S. | last3 = Kwatra | first3 = S. | last4 = Feldman | first4 = S. | title = Autosomal dominant transmission of nevus sebaceous of Jadassohn. | journal = Dermatol Online J | volume = 18 | issue = 11 | pages = 17 | month = Nov | year = 2012 | doi = | PMID = 23217958 }}</ref><ref name=pmid19171988>{{Cite journal | last1 = Simi | first1 = CM. | last2 = Rajalakshmi | first2 = T. | last3 = Correa | first3 = M. | title = Clinicopathologic analysis of 21 cases of nevus sebaceus: a retrospective study. | journal = Indian J Dermatol Venereol Leprol | volume = 74 | issue = 6 | pages = 625-7 | month = | year = | doi = | PMID = 19171988 }}</ref> | |||
*Head and neck [[plaque]] or [[papule]] with: | |||
**Well-circumscribed borders. | |||
**Waxy, yellow appearance. | |||
*Area usu. devoid of hair.<ref name=pmid22148058>{{Cite journal | last1 = Kim | first1 = JH. | last2 = Park | first2 = HY. | last3 = Ahn | first3 = SK. | title = Nevus sebaceous accompanying secondary neoplasms and unique histopathologic findings. | journal = Ann Dermatol | volume = 23 | issue = Suppl 2 | pages = S231-4 | month = Oct | year = 2011 | doi = 10.5021/ad.2011.23.S2.S231 | PMID = 22148058 }}</ref> | |||
DDx - gross: | |||
*[[Seborrheic keratosis]]. | |||
Image: | |||
*[http://www.dermnet.com/images/Nevus-Sebaceous/picture/17082?imgNumber=14 NS (dermnet.com)]. | |||
==Microscopic== | |||
Features:<ref name=pmid19171988/> | |||
*Abundant sebaceous glands. | |||
*Immature/abortive hair follicles. | |||
**No normal terminal hair follicles. | |||
*Papillomatous epidermal hyperplasia. | |||
===Images=== | |||
<gallery> | |||
Image:SkinTumors-P6260391.JPG | NS (WC) | |||
</gallery> | |||
www: | |||
*[http://www.dermnet.com/images/Nevus-Sebaceous/picture/17087 NS (dermnet.com)]. | |||
==See also== | |||
*[[Non-malignant skin disease]]. | |||
==References== | |||
{{Reflist|2}} | |||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||
[[Category:Non-malignant skin disease]] | |||
Revision as of 01:35, 20 June 2014
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.