Granuloma Annulare: Key Points
…ly further testing. GA has been reported in patients with HIV, both with typical and atypical presentations of the eruption; perforating GA, GGA (particularly with papules), and other atypical forms of GA should prompt extra consideration for…
Perforating Diseases?
…s et parafollicularis in cutem penetrans (Kyrle’s disease), perforating folliculitis, elastosis perforans serpiginosa, perforating collagenosis, perforating pseudoxanthoma elasticum, and perforating granuloma annulare. What do those so-called…
Reactive Perforating Collagenosis?
…Ebling: Textbook of Dermatology. 5th ed. London: Blackwell Scientific Publications, 1992:1819–20. “RPC [reactive perforating collagenosis] is a perforating disorder that shows the phenomenon of transepithelial elimination. Superficial…
Dermoscopic findings in reactive perforating collagenosis
…aques with yellowish crust on the upper and lower extremities (Figure 1). Differential diagnoses included prurigo nodularis, perforating granuloma annulare, factitious disorder, and other acquired reactive perforating dermatosis. Dermoscopy showed a…
Reactive perforating collagenosis
…-staining elastic fibers amid nuclear debris of neutrophils in channels, presumably infundibular, through surface epidermis. Perforating folliculitis fundamentally is suppurative infundibulitis. Changes identical to those of perforating collagenosis…
Perforating folliculitis vs. Elastosis perforans serpiginosa
"Perforating folliculitis" of chronic renal disease
…as been so elusive, as evidenced by the many names that have been given to the condition in less than a decade, e.g., “perforating collagenosis,” “perforating folliculitis,” “elastosis perforans serpiginosa,” and…
Granuloma Annulare
…ss that usually takes the form of papules which in constellation often assume annular, arcuate, and serpiginous shapes. Many variants exist, among them widespread papules, papules in photodistribution, papules marked by tiny crusts…
Errors and Reasons
…ified by perforation. Reason: The so-called perforating diseases are unrelated completely to one another, those being “perforating folliculitis,” “perforating collagenosis,” “perforating pseudoxanthoma elasticum,”…
Elastosis perforans serpiginosa
…of unknown cause in the case of “perforating folliculitis,” ulcer secondary to excoriation in the case of “perforating collagenosis,” and simply granuloma annulare, instead of “perforating granuloma annulare.” The…