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LETTER TO EDITOR
Year : 1998  |  Volume : 64  |  Issue : 3  |  Page : 158-15

Pediculosis palpebrarum (le)




Correspondence Address:
A Krishna


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Source of Support: None, Conflict of Interest: None


PMID: 20921752

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How to cite this article:
Krishna A, Classic A. Pediculosis palpebrarum (le). Indian J Dermatol Venereol Leprol 1998;64:158

How to cite this URL:
Krishna A, Classic A. Pediculosis palpebrarum (le). Indian J Dermatol Venereol Leprol [serial online] 1998 [cited 2019 Jan 22];64:158. Available from: http://www.ijdvl.com/text.asp?1998/64/3/158/4681



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Three college going male students between the ages of 18 to 22 years presented within a period of one month with marked itching, redness and watering of eyes, of 3-4 days duration. The right eye was involved in two cases, while the third had bilateral lesions. Examination revealed conjunctival congestion, yellowish encrustation and oedema of both upper and lower eyelids. Hand lens examination revealed the crusts to be composed of ova adhering to the eyelashes in great numbers with occasional lice gripping the roots of the eyelash hair. Enquiry revealed history of exposure with prostitutes; and crowded staying conditions with over ten students living together in a single room and low standard of hygiene, though they denied homosexuality. Genital examination in all three showed excoriation, whealing and scratch marks in the pubic region and groins without maculae ceruleae. Low power microscopy of the nits and louse picked up from one of the hair confirmed the diagnosis of pediculosis pubis et palpebrarum, without involvement of the other hairy areas of the body like scalp, eyebrows, axillae, chest or back. VDRL, and ELISA for HIV were negative in all the 3 cases.

Pubic and axillary hairs are far enough apart to suit the span of the pubic louse (2 mm) whereas it avoids the scalp because the hair are too close together (1 mm). Rarely, they may spread to the perineum, thighs, very occasionally the lower legs and to the trunk. The eyelashes and eyebrows may be affected in heavily infested adults but more often in children without pubic or axillary hair and in inhabitants of crowded slums.[1] Phthirus pubis probably reaches the eyes by transmission by the hand from the pubic hair.[2]

Pediculosis pubis is spread by close physical contact, usually sexual intercourse, but less commonly by bed sharing by mother and child or brothers or sisters. The children in such cases are infested on the eyelashes.[1] Kirschner had suggested that eyelash involvement may be on the increase with greater sexual promiscuity.[3]

Interesting features of these cases were the close clustering of the students, symptoms of genital itching overshadowed by the eye symptoms and the higher index of suspicion warranted in diagnosing such cases.

 
  References Top

1.Alexander JO. Infestation with Anoplura-lice. In: Arthropods and Human Skin. Alexander JO. ed. Berlin: Springer-Verlag, 1984:29-55.  Back to cited text no. 1    
2.Duke-Elder S. Mac PA. Inflammation of the Lids. In: System of Ophthalmology Duke-Elder S and Mac Faul PA, eds, 1st edn. London: Henry Kimpton Publishers, 1974, Vol XIII, Part I:37-250.  Back to cited text no. 2    
3.Kirchner MH. Pedicalosis pubis infestation of the eyelids. JAMA 1982:248:428.  Back to cited text no. 3    




 

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