Specific conditions found on the Back

Acneiform   Acne,Cystic acne,Acne fulminans,Acne scarring,Pityrosporon folliculitis

Dermatomal   Herpes zoster

Follicular spicules  Keratosis pilaris, Multiple minute digitate dermatosis

Induration   Scleredema

Linear   Linear focal elastosis,Striae distensae,

Nodules   Epidermal inclusion cyst,Lipoma

Papules   Confluent and reticulated papillomatosis

Pigmented   Atrophoderma of Pasini and Pierini,Basal cell nevus syndrome,Macular amyloidosis,Nevus of Ito,Photodamage,Tinea versicolor

Plaques   Sweet's syndrome

Pruritus   Notalgia paresthetica,

Red   Dermatomyositis,sunburn,Superficial Basal cell carcinoma,Subacute lupus erythematosus

Ulcer   Decubitus (Pressure) ulcer Sacrum

White   Lichen sclerosus,Neurotic excoriations,White papular acne scars,Vitiligo,Tinea versicolor

Modified from Regional Dermatology Gary M White