Characterizing Granuloma Annulare in 73 Pediatric Patients

Figure 3

Biopsy site of deep granuloma annulare presenting as a solitary, firm nodule in the pretibial region (a). Histology shows (b) prominent necrobiotic collagen with palisading histiocytes and scattered lymphocytes, characteristic of deep granuloma annulare (H&E, 4X), and (c) immunocytochemical stains against CD68 highlight the histiocytes in the infiltrate (4X).

(a)

(b)

(c)