Dialogue and Remark
Cutaneous pili migrans is a uncommon pores and skin situation characterised by a fraction of hair embedded within the dermis or dermis layers of the pores and skin. Differential analysis consists of cutaneous larva migrans – in addition to calluses and warts (when it happens on the soles of the ft)
Cutaneous pili migrans (CPMs) was first reported by Yaffee in 1957 and, up to now, there have been about 40-50 instances reported. Most sufferers are from Asia. This affected person was from Switzerland (though we’re not supplied with any details about the racial background per se).
Physique areas in CPM concerned embrace the toe, sole, ankle, breast, cheek, neck and stomach. They are often asymptomatic or painful.
Pediatric sufferers have been reported in a couple of dozen instances of CPM. The youngest affected person is 6 months (Xie et al 2012) Most CPM happen on the only in youngsters – though lesions on the leg, scalp and again have been reported.
Most lesions are unilateral though a 2010 report by Kim et al reported a bilateral case involving the soles .
CPM has been described beneath numerous names together with buried hair, bristle migrans, burrowing hair, migrating hair and creeping hair, creeping eruption.
Why does CPM happen?
The massive query is why does this happen? The etiology of CPM isn’t absolutely identified. It has been assumed to be the results of a pointy hair tip penetrating the pores and skin. Moist pores and skin could also be a facilitating issue and assist the hair get into the pores and skin however strolling or physique movement are proposed to assist activate the motion of the hair inside the pores and skin. Hair cuts or strolling with out sneakers could predispose some sufferers.
Racial background could possibly be a related issue – not less than in some sufferers. It’s fascinating probably the most instances are reported in East Asian counties. It has been famous that Asian hair has excessive tensile power and the most important cross-sectional space in contrast with that of all different ethnic teams. Whether or not this has a task isn’t clear.
Remedy of CPM
Removing of the black hair shaft heals the lesion fully
How can one differentiate cutaneous pili migrans from cutaneous larva migrans?
Cutaneous pili migrans tends to maneuver in a linear style in just one route. In distinction, cutaneous larva migrans can transfer in any route and usually leads to extra serpinginous or tortuous tracts. Moreover, lesions in cutaneous larva migrans are extraordinarily itchy, whereas these in cutaneous pili migrans could also be both asymptomatic or painful.
REFERENCES
Laura Bruschi et al. Did You Ever See a Creeping Hair? J Pediatr. 2022 Dec 17;S0022-3476(22)01127-1.
Kim YH et al. Cutaneous pili migrans. Ann Dermatol. 2014 Aug;26(4):534-5.
Xie H, Zhang RZ, Zhu WY. A brand new website of cutaneous pili migrans in a 6-month-old toddler. Indian J Dermatol Venereol Leprol 2012;78:498-9.
Li B, Ma L, ZhouYB. Cutaneous pilus migrans on the again of a 6-year-old boy. J Eur Acad Dermatol Venereol 2022;36:e727-9.
Kim JY, Silverman RA. Migrating hair: a case confused with cutaneous larva migrans. Pediatr Dermatol 2010;27:628-30.
