TABLE 3.

Histopathological comparison between perniosis during the COVID‐19 pandemic and perniosis diagnosed in 2019

		Perniosis during the COVID‐19 pandemic n = 6 except where indicated (number, %)	Perniosis diagnosed in 2019 n = 8 (number, %)
Interface change		2 (33)	4 (50)
Papillary dermal edema		2 (33)	2 (25)
Lymphocytic infiltrate	Tight cuffing	4 (66)	1 (13)
	Superficial perivascular	6 (100)	8 (100)
	Deep perivascular	2 (100) a	8 (100)
	Interstitial	1 (16)	1 (13)
	Perieccrine	1 (33) a	5 (63)
Extravasated erythrocytes		2 (33)	1 (13)
Vascular occlusion		1 (16)	0 (0)

^a Four specimens were shave biopsies and did not include the deeper dermis; eccrine glands were present in three specimens.