Granuloma annulare on the dorsum of the hand – a typical site.
Common sites of localized granuloma annulare. (a) On the dorsum of the hand; note the atrophy in the centre of the lesions. (b) On the dorsum of a fin...
Granuloma annulare on the ear. Note the nodules overlying the auricular cartilage of the antihelix.
Prominent telangiectasia in an area of necrobiosis.
Severe perianal Crohn disease.
Generalized granuloma annulare showing a clear photo‐distribution over the ‘V’ of the neck and shoulders.
Common sites of generalized granuloma annulare. (a) Right flank. (b) Abdomen. (c, d) Involvement of the lower extremities.
(a) Necrobiosis lipoidica of the shins in a 50‐year‐old woman. (b) Close‐up view of the shin.
Necrobiosis lipoidica Koebnerizing in a scar from previous knee surgery.
Lip swelling due to oro‐facial granulomatosis developed in this patient some 5 years before she presented with severe intestinal Crohn disease. (Cour...
(a) Necrobiotic palisading granuloma showing well‐circumscribed central necrobiosis surrounded by a palisade of histiocytes. (b) Close‐up view showing...
(a) Perforating granuloma annulare on the neck and (b) histology showing transepidermal elimination of necrobiotic collagen.
Necrobiosis lipoidica showing extensive necrobiosis in the dermis.
Ulcerated necrobiosis lipoidica in a 34‐year‐old woman with diabetes.
(a) Vulval swelling due to Crohn disease presented in the same patient as shown in Figure about 1 year after she developed intestinal Crohn disease....
(a) Typical appearance of localized granuloma annulare over the knuckles. (b) Appearance of granuloma annulare over the knuckles on clenching the fist...
Subcutaneous granuloma annulare with nodules visible on the dorsolateral aspect of a child's foot.
Chronic necrobiosis lipoidica (over a 20‐year period) in a 41‐year‐old patient with insulin‐dependent diabetes. Note the marked atrophy and telangiect...
‘Burnt out’ necrobiosis lipoidica – marked atrophy is evident.
Cutaneous Crohn disease showing superficial and deep perivascular dermal infiltrates and a predominantly septal panniculitis. At higher magnification ...