Deep skin disorders
Skin diseases that involve or infiltrate the dermis (deeper layer of skin) or subcutis (fat layer below the skin) include:
Structural diseases
Actinic granuloma
Amyloidosis
Anetoderma
Cellulite
Connective tissue naevi
Cutis laxa
Dermatofibroma
Dermatofibrosarcoma protuberans
Ehler's Danlos syndrome
Elastosis Elastosis perforans serpiginosa
Fibromatosis
Keloids and hypertrophic scars
Knuckle pads
Infective panniculitis
Leiomyoma
Leiomyomatosis and renal cell cancer syndrome
Lipodystrophy
Lipoedema
Lipoid proteinosis
Lipoma
Mastocytoma
Mid-dermal elastolysis
Nephrogenic fibrosing dermopathy
Neurofibroma
Pseudoxanthoma elasticum
Solar elastosis
Reactive perforating collagenosis
Striae (stretch marks)
Inflammatory infiltrations
Cutaneous B-cell lymphoma
Cutaneous T-cell lymphoma
Cytophagic histiocytic panniculitis
Eosinophilic dermatosis of haematological malignancy
Eosinophilic fasciitis
Erythema multiforme
Histiocytoses
Jessner lymphocytic infiltrate
Idiopathic nodular panniculitis
Langerhans cell histiocytosis
Lymphocytoma cutis
Lymphomatoid papulosis
Mastocytosis
Morphoea
Non-Langerhans cell histiocytosis
Panniculitis
Pseudolymphoma
Relapsing polychondritis
Reticulohistiocytosis
Sweet disease
Systemic sclerosis
Granulomas
Atypical mycobacterial infection
Cutaneous tuberculosis
Granuloma faciale
Granuloma annulare
Granulomatous dermatitis
Leprosy
Pyogenic granuloma
Sarcoidosis
Sclerema neonatorum
Subcutaneous fat necrosis of the newborn
Miscellaneous
Leukaemia cutis
Malignant histiocytoses
Osteoma cutis
Benign lymphoplasmacytic plaque
