After the operation, a cast was applied from the hip to the ankle of the right leg for 2 months. On removal of the cast, a localized patch of hair growth was noted where the plaster had been. Shafir R, Tsur H. The acquired localized hypertrichosis ALH refers to excessive vellus hairs with no androgen-induced hair growth in a localized body area. Herein, we report a year-old boy who had ALH following a closed fracture with internal fixation and plaster cast application. She had a history of trauma due to fall from a bicycle leading to fracture of the lower third of forearm bone radius. Acquired localized hypertrichosis is known to arise following chronic irritation, friction, or inflammation and may develop around chickenpox scars, the sites of insect bites, at the periphery of burned skin, and on the legs after radical inguinal lymphadenectomy [ 1 — 3 ]. Stenn KS, Paus R.

Localized acquired hypertrichosis associated with fracture and cast application. Localised hypertrichosis on the right leg after prolonged cast application. J Indian Med Assoc ; Increased hair growth following cast application is an uncommonly reported phenomenon, though well known to orthopaedic surgeons. Hong Kong Med J Aug;21 4: There was a surgical scar on the left forearm, wrist, and hand.

Terminal hair is found on sites where hair growth is affected by hormones, eg scalp, beard, axillae, and pubic area. When the patient was reassessed 1 to 2 months later, the hypertrichosis had started to resolve. The article are supported by a common project from National Natural Science Foundation of China There was no other skin change. Journal List Ann Dermatol v. Localized acquired hypertrichosis following cast application. InPick 13 first described a case of ALH in a year-old boy who developed an effusion of the right knee following a fall.

Localized Acquired Hypertrichosis Associated with the Application of a Splint

When the cast was removed, it was noted that there was mild atrophy and increased hair growth on the right leg as compared to the left.

On physical examination, there was increased hair growth afyer the left forearm and hand over the area in which the splint was located Figure 1. The mother was concerned about whether any treatment was needed for the excessive hair growth.


The hypertrichosis resolved over approximately 6 months. There was a surgical scar on the left forearm, wrist, and hand. Arch Phys Med Locqlized.

Hypertrichosis of the left forearm and hand following the application of a splint. B The plaster cast was covered from the wrist to the elbow. The hypertrichosis was completely resolved within 6 months in 17 of the czst patients and within 6 to 12 months in the remaining 4.

Disorders of hair; pp. Nevertheless, we found no evidences of reflex sympathetic stimulation or dystrophy such as hyperesthesia, excessive pains or malnutrition of skin in this case.

Some authors suggested that prolonged cast application provides an occlusive, moist, and warm environment which, together with irritation caused by friction, promotes localizfd growth.

Acquired Localized Hypertrichosis Induced by Internal Fixation and Plaster Cast Application

Localizedd, the possibility of reflex sympathetic dystrophy is denied. Each patient completed the Children’s Dermatology Life Quality Index after cast removal casy at follow-up. Physical examination indicated a sheeted, coarse, dark hair area on his right back hand with a postsurgical scar which is approximate 5 cm in length Fig. The condition is usually transitory. Children and young adults do not have this unfavourable effect of the ageing process on hair growth to cancel bypertrichosis of hair follicles after cast application, and therefore post-cast ALH is more commonly seen in this younger age-group.

The phenomenon of acquired localised hypertrichosis following cast application for a fracture is well known to orthopaedic surgeons, but is rarely encountered by primary care physicians.

With the report of this case, hopefully more case reports would be forthcoming.

Int J Trichol ; To the best of our knowledge, this patient represents one of the youngest reported cases. Neveh Y, Friedman A. Therefore, family physicians should be aware of the diagnosis and management of the vast and its implications for psychosocial consequences, since hypertrichosis may cause considerable emotional stress to patients due to the unsightly cosmetic appearance.


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He had surgical repair of his left extensor pollicis brevis, abductor pollicis brevis, and dorsal branch of the left radial nerve. There was no increased hair growth over the left leg or other body parts. He was taken to a local hospital where he had surgical repair of his left extensor pollicis brevis, abductor pollicis brevis, and dorsal branch of the left radial nerve.

Bhalani Publishing House; His limping gait was treated with physiotherapy. Terminal hair is thick, pigmented, and produced by large hair follicles located in the subcutis. Our patient represents the first reported case of localized acquired hypertrichosis following the application of a splint in the pediatric literature.

At the last visit, the hair growth in the left forearm and hand was back to normal. There was no history suggestive of topical applications or drug intake, except oral analgesics for two days and a five day course of oral cefadroxil. Case report and review of the literature. Report of three cases. He had a cast applied by an orthopaedic surgeon as treatment.

Localized hirsutism after radical inguinal lymphadenectomy. To our knowledge, our patient represents the first case in the pediatric age group.

Hypertrichosis is described as an increased hair growth on any part or over whole body in comparison to persons of the same age, sex, and race which is independent of androgen excess. He was followed up at 3 months, when his gait had become normal and there was spontaneous complete resolution of the localised hypertrichosis Fig 2.

Subsequent to this, excessive hair growth was noticed on that area following the removal of cast. Table of Contents Alerts.