Pigmentation from repetitive scratching due to notalgia paraesthetica of the left upper back
Keywords: Back, Localised itch, Localised neuropathic dysesthesia, Nonspecific itch, Pruritus, Regional image, Repetitive scratching, Scapula, Secondary hyperpigmentation, Unilateral hyperpigmented patch, Upper back
Notalgia paraesthetica is a form of cutaneous dysaesthesia where itch and/or changed sensation arise in the areas of skin on the medial aspect of the shoulder blade on either side of the back. Notalgia means pain in the back, and paraesthetica refers to burning pain, tingling or itch.
© Raimo Suhonen
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