Abstract
Notalgia paresthetica (NP) is a common but often unrecognized neurocutaneous condition, with very few cases reported to date. It is characterized by pruritus localized in an area between D2 and D6 dermatomes, sometimes accompanied by sensory neuropathies and/or electrical conductivity disorders. Cutaneous pigmented patches and friction amyloidosis can arise with irritation. Some hereditary cases have been noted mainly in young patients, associated with multiple endocrine neoplasia type 2A. However, NP mainly occurs in older patients and most are sporadic pathologies linked with musculoskeletal compression of spinal nerves. Only capsaicin has shown some (but unfortunately only transient) efficacy in relieving NP symptoms. We present observations on 12 sporadic cases of NP. Spinal X-rays revealed dorsal arthrosis or spinal static disequilibrium in nine of these patients. Six patients underwent spinal and paraspinal ultrasound or radiation (better) physiotherapy, and the symptoms subsided in four of these cases. These results highlighted that spinal disorders could be a determining factor in NP, indicating that patients could benefit from physiotherapy.
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