According to the patient, the nevus had existed and remains unchanged since childhood. Acquired localized poliosis often occurs in alopecia areata. Excisional biopsy of the pigmented nevus was performed. National Center for Biotechnology Information , U. Dermatology in general medicine.

Name: Kazihn
Format: JPEG, PNG
License: For Personal Use Only
iPhone 5, 5S resolutions 640×1136
iPhone 6, 6S resolutions 750×1334
iPhone 7, 7 Plus, 8, 8 Plus resolutions 1080×1920
Android Mobiles HD resolutions 360×640, 540×960, 720×1280
Android Mobiles Full HD resolutions 1080×1920
Mobiles HD resolutions 480×800, 768×1280
Mobiles QHD, iPhone X resolutions 1440×2560
HD resolutions 1280×720, 1366×768, 1600×900, 1920×1080, 2560×1440, Original

The poliosis was ultimately diagnosed as a presenting sign of the halo phenomenon in the regressive stage of a melanocytic nevus. They reported pathologic findings of a thin epidermis with marked orthokeratotic hyperkeratosis and dense lymphocytic infiltration intermingled with melanocytes; these findings were consistent with the diagnosis of a halo nevus.

D ICD – Sympathetic ophthalmia and Vogt-Koyanagi-Harada syndrome. Ingrown nail Anonychia ungrouped: Elder D, Elenitsas R. This case is a rare case of melanosis oris with Poliosis which has to be followed up regularly to see any changes in the pigmentation if it occurs. Benign pigmented lesions and malignant melanoma. Infiltration of inflammatory cells, including lymphocytes and macrophages, was observed in the dermis Fig.


See also leukotrichia and canities. Poliosis occurs in several genetic syndromes such as piebaldismWaardenburg syndromeneurofibromatosis type Iand tuberous sclerosis.

Poliosis circumscripta: overview and underlying causes.

Plliosis condition may be inherited and generalized or acquired and localized in patches. To the best of our knowledge this is the first such case reported regarding the eyelid. There are several theories regarding the pathogenesis of halo nevi. Melanoma of the scalp presenting as poliosis circumscripta. The underlying pathophysiology of the halo phenomenon is not well understood, but may possibly be the result of an immune response leading to nevus cell destruction. A halo nevus without the halo phenomenon is very rare and can only be diagnosed by histology.

Triangular alopecia Frontal fibrosing alopecia Marie Unna hereditary hypotrichosis. The condition normally occurs in patches. No such cases have previously been reported. Despite an in-depth review of the literature, we did not encounter documentation of poliosis without skin depigmentation in a halo nevus. There are four histologic forms of halo nevi described: Halo nevus, Halo phenomenon, Poliosis.

There was a problem providing the content you requested

Poliosisalso called poliosis circumscriptais the decrease or absence of melanin or colour in head hair, eyebrows, eyelashes or any other hairy area. Disorders of skin appendages L60—L75— Dermatology in general medicine. On histopathologic examination, infiltration of the dermis by numerous lymphocytes and melanophages was observed.


A year-old man with poliosis of his lower eyelid lashes visited our clinic. Acquired poliosis of the eyelashes has been described in several ophthalmic conditions, including blepharitis, sarcoidosis, sympathetic ophthalmia, herpes zoster, Vogt-Koyanagi-Harada VKH poluosis, vitiligo, tuberous sclerosis, post-irradiation, and with topical administration of prostaglandin F2 analogues [ 1 – 5 ]. J Am Acad Dermatol.

Poliosis circumscripta: overview and underlying causes.

Total loss of melanocytes in eyelash follicles may be an isolated sign of the halo phenomenon without depigmentation of the skin. Otherwise the patient was in excellent health with no significant medical history; he had no known drug allergies and was on no chronic medications. Hirsutism Acquired localised generalised patterned Congenital poliosjs localised X-linked Prepubertal.

A condition in which there is a lack of polioosis in the hair, eyebrows and eyelashes, which appear whitish, grey. Barnhill RL, Llewellyn K.

Acquired localized poliosis often occurs in alopecia areata.