Melanocytic and non-­melanocytic nevi, malformations, and tumors

Atypical fibroxanthoma

Chondrodermatitis nodularis helicis^a

Cysts (i.e., epidermoid, trichilemmal, dermoid)

Epithelial and adnexal tumors: early-stage skin cancers (particularly basal cell carcinoma), fibroepithelioma of Pinkus (or premalignant fibroepithelial tumors of Pinkus), benign and malignant adnexal tumors^a, dermatofibrosarcoma, etc.

Fibromas, connective tissue hamartomas, sarcomas, and other tumors of the connective tissue

Glomus tumor

Lipomatous: lipoma, angiolipoma, nodulocystic lipodystrophy

Melanocytic: achromic melanoma, achromic nevus

Metastasis (especially nodule)

Nerve tumor: neurofibroma, neuroma and other nerve tumors

Nodular fasciitis

Rhinophyma

Scar (hypertrophic, cheloid)

Skin tag

Overload diseases

Acral mucinosis

Lipoid proteinosis (palpebral)

Macroglobulinodermia (in patients with Waldenström’s disease)

Papular amyloidosis

Tophus, calcinosis and osteoma cutis

Infections

Molluscum contagiosum

Warts (flat and genital)^a

Granulomatous and systemic diseases

Eosinophilic granuloma

FACE

Fibroblastic rheumatism

Foreign body granuloma

Granuloma annulare

Nephrogenic systemic fibrosis

Phalangeal pads^a

Rheumatoid nodule and palisading granuloma

Sarcoidosis

Miscellaneous