perforating collagenosis

perforating collagenosis

See Reactive perforating collagenosis.
References in periodicals archive ?
The perforating dermatoses are a diverse group of diseases that include four types: elastosis perforans serpiginosum, Kyrle disease, perforating folliculitis, and reactive perforating collagenosis (RPC).
However, single lesion frequency of reactive perforating collagenosis (RPC), blue nevus, atrophic skin lesions, cafe-au-lait macules, melasma, macular amyloidosis, pigmented verruca vulgaris, lentigo maligna melanoma, dermatofibroma and pigmented basal cell carcinoma (BCC) was also seen, not mentioned in table.
Colloid milia in 3 cases (1.5%); 2 (1%) cases each of Lichen amyloidosis and Lichen sclerosus et atrophicus was seen; 1 (0.5%) each case of Parapsoriasis, Favre-Racouchot Syndrome, Pruritus ani, Pyogenic Granuloma, Lupus Profundus were seen, 2 (1%) cases each of reactive perforating collagenosis and granuloma annulare and 3 (1.5%) cases of polymorphous light eruptions.
One case (0.5%) of Favre-Racouchot syndrome, 2 cases each of Reactive perforating collagenosis and Granuloma annulare, 3 cases of polymorphous light eruption, 1 case each of Pruritus ani, Pyogenic granuloma and Lupus profundus were seen.
Several different forms of perforating dermatoses exist, including reactive perforating collagenosis and the acquired perforating dermatosis diagnostic group (often associated with diabetes mellitus or chronic renal disease), which includes acquired reactive perforating collagenosis (RPC), elastosis perforans serpiginosa, perforating folliculitis, and Kyrle's disease.
(2.) Yanagihara M, Fujita T, Shirasaki A, et al: The pathogenesis of the transepithelial elimination of the collagen bundles in acquired reactive perforating collagenosis. A light and electron microscopical study.
Co-existent acquired perforating collagenosis and lepromatous leprosy with erythema nodosum leprosum: Response to treatment.
Reactive perforating collagenosis in the setting of prurigo nodularis.
Other manifestations seen were reactive perforating collagenosis in 4 (2.5%) and onychomycosis in 6 (3.7%) patients.
Furunculosis, lichen planus, and reactive perforating collagenosis, lichen sclerosus, solar degeneration and acneiform eruptions are less common.
The differential diagnosis usually includes lichen planus, pityriasis lichenoides et varioliformis acuta (PLEVA), nodular prurigo, reactive perforating collagenosis, and connective tissue diseases such as lupus erythematosus.
There have been, however, only three reports of reactive perforating collagenosis at the healed site of herpes zoster.7,8,9 We report a case of acquired KD that developed at the site of a previous herpes zoster skin eruption in a 27-year-old Bengali male.

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