A boggy swelling of the scalp

‘Still waters run deep’: alopecia in tumoral calcinosis as a model of compartmentalization

“…In keeping with the diagnosis of tumoral calcinosis, we observed calcium deposition and collagen necrosis in the deep dermal regions, with sparing of the papillary dermis. 1 There was local destruction of the terminal hair follicles in the deep dermis, with relative preservation of the more superficial vellus hair follicles (Fig. 2).…”