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