Pili migrans (poil migrant cutané)

Luo, Di‐Qing; Zhao, Yanyang; Liu, J.H.

doi:10.1016/j.annder.2010.04.012

Cited by 6 publications

(7 citation statements)

References 11 publications

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“…Cutaneous pili migrans is caused by hair shaft or fragment, or the pubic hair, and always without hair follicles, showing a painful linear lesion with a moving black line at the advancing end. 1 – 6 The length of the black line is stable while the lesional length extended gradually. A hair can be pulled out by a shallow incision of the skin.…”

Section: Discussionmentioning

confidence: 97%

“…To our knowledge, no similar cases were described in other areas, mimicking cutaneous pili migrans with Asian predominance. 1 – 4 The reasons of Asian predominance for cutaneous pili migrans are because that Asian hair, especially the Japanese, has larger diameter with circular geometry, and is harder and straighter than African or Caucasian hair, 9 which may make the Asian hair extend and grow inside the skin easier than that of other population. 1 , 2 We speculated that the mechanisms for the Asians’ predilection of ingrowing hair are the same as they are in cutaneous pili migrans.…”

Section: Discussionmentioning

confidence: 99%

“… 1 – 4 However, we considered that cutaneous pili migrans has been underestimated, because even the present corresponding author and the colleagues had met 4 cases since 2009. Among them, 2 had been previously reported, 1 , 2 and another 2 whom were diagnosed recently had not been reported yet. Interestingly, there is an exceptionally rare condition previously called “ingrown hair” mimicking the presentations of cutaneous pili migrans, in which the causative factor is a hair growing inside the skin and burrowing in the uppermost dermis rather than a hair shaft moving inside.…”

Section: Introductionmentioning

confidence: 93%

“…Cutaneous pili migrans is a rare condition characterized by a hair fragment or hair shaft moving in the shallow epidermis or dermis, forming an eruption resembling larva migrans. 1 – 6 Up to date, no more than 30 cases of cutaneous pili migrans have been reported since its first description by Yaffee 7 in 1957, and it has Asian predilection. 1 – 4 However, we considered that cutaneous pili migrans has been underestimated, because even the present corresponding author and the colleagues had met 4 cases since 2009.…”

Section: Introductionmentioning

confidence: 99%

“… 1 – 6 Up to date, no more than 30 cases of cutaneous pili migrans have been reported since its first description by Yaffee 7 in 1957, and it has Asian predilection. 1 – 4 However, we considered that cutaneous pili migrans has been underestimated, because even the present corresponding author and the colleagues had met 4 cases since 2009. Among them, 2 had been previously reported, 1 , 2 and another 2 whom were diagnosed recently had not been reported yet.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Ingrowing Hair

Luo

Liang

et al. 2016

Medicine

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Cutaneous pili migrans and creeping eruption caused by parasitic diseases may present as a moving linear lesion in skin. The former, caused by a hair shaft or fragment embedded in the superficial skin or middle dermis, is a rare condition characterized by creeping eruption with a black line observed at the advancing end. In exceptionally rare instance, the hair grows inside the skin and burrows in the uppermost dermis, such a condition has been called “ingrown hair.”We report a 30-year-old Chinese man, who was accustomed to pull or extrude the beard hairs, with 1-year history of slowly extending black linear eruption on his right chin. Cutaneous examination revealed a 4-cm long black linear lesion beneath the skin associated with edematous erythema around and folliculitis on both ends of the lesion. After treatment with topical mupirocin ointment, the erythema and folliculitis improved and 2 hairs of the beard with hair follicles were pulled out from the skin. Two weeks later, another similar black line about 1 cm in length in the skin presented on the prior lesional area, which was pulled out by a shallow incision of the skin and was also demonstrated as a beard hair with hair follicle.The patient was diagnosed as “ingrowing hair” with multiple recurrences. The lesions recovered after the beard hairs were pulled out. No recurrence occurred in a year of follow-up.We suggest that “ingrowing hair” is better than “ingrown hair” to describe such a condition. Pulling out the involved hair and correcting the bad practice are its optimal management strategies.

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Section: Discussionmentioning

confidence: 97%