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Year : 1996  |  Volume : 62  |  Issue : 4  |  Page : 250-251

Naevus comedonicus associated with epidermoid cyst

Correspondence Address:
K Deepak Mathur

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Source of Support: None, Conflict of Interest: None

PMID: 20948069

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Naevus comedonicus associated with epidermoid cyst is a rare association. Two such case reports are presented.

Keywords: Naevus comedonicus, Epidermoid cyst

How to cite this article:
Mathur K D, Bhargava P, Agarwal U S, Math. Naevus comedonicus associated with epidermoid cyst. Indian J Dermatol Venereol Leprol 1996;62:250-1

How to cite this URL:
Mathur K D, Bhargava P, Agarwal U S, Math. Naevus comedonicus associated with epidermoid cyst. Indian J Dermatol Venereol Leprol [serial online] 1996 [cited 2019 Oct 20];62:250-1. Available from: http://www.ijdvl.com/text.asp?1996/62/4/250/4406

  Introduction Top

Naevus comedonicus is a developmental abnormality of the skin comprising of numerous keratin filled pits. In is generally assumed that they are of pilo-sebaceous origin though the presence of similar lesion on palm, soles and glans penis argues against this. Epidermoid cyst commonly affects young and middle aged person. It results either from inflammation of pilo-sebaceous follicles or from deep implantation of a fragment of epidermis by a blunt penetrating injury or due to developmental defect. Naevus comedonicus associated with epidermoid cyst is rare.

  Case Reports Top

Case 1: A 21-year-old Hindu male presented with naevus comedonicus over the right anterior chest wall, right axillae, right arm and right forearm [Figure - 1] He had multiple nodular swellings scattered within the area of naevus over right arm and forearm in which some were infected and showed pus discharge. Needle aspiration of one of the intact swelling revealed watery content but biopsy revealed it to be consistent with epidermoid cyst [Figure - 2]. No other systemic abnormality could be detected.

Case 2: A 19-year old student presented with naevus comedonicus over left side of the neck reaching upto the left sternoclavicular joint with swellings along with the naevus. Histopathological examination of the swellings confirmed them to be epidermoid cysts.

  Duscussion Top

There are reports of naevus comedonicus associated with other skin conditions like ichthyosis,[1] linear basal cell naevus,[2] cataract,[3] absence of fifth finger[4] and trichilemmal cyst.[5] Association of naevus comedonicus with epidermoid cyst is quite rare and hence presented.

  References Top

1.Piers F. Linear comedo naevus and ichthyosis. Br J Dermatol 1945;57:138-47.  Back to cited text no. 1    
2.Carney RG. Linear unilateral basal cell nevus with comedones: report of a case. Arch Dermatol Syphilol 1952;65:471-6.  Back to cited text no. 2  [PUBMED]  
3.Whyte HJ. Unilateral comedo nevus and cataract. Arch Dermatol 1968;97:533-5.  Back to cited text no. 3  [PUBMED]  
4.Schneider C. Ein Bertaag zur Klinik des naevus comedonicus. Hautarzt 1975;26:153-4.  Back to cited text no. 4  [PUBMED]  
5.Leppard BJ. Trichilemmal cysts arising in an extensive comedo naevus. Br J Dermatol 1977;96:545-8.  Back to cited text no. 5  [PUBMED]  


[Figure - 1], [Figure - 2]


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