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Notalgia paresthetica: a study on pathogenesis.
1Department of Dermatology, Faculty of Medicine, Adnan Menderes University, Aydin, Turkey. ekin.bozkurt@mailexcite.com
International Journal of Dermatology
|November 30, 2000
Summary
Notalgia paresthetica, a back pruritus condition, may stem from spinal nerve impingement. Degenerative spinal changes correlated with lesion location, suggesting a link to this sensory neuropathy.
Area of Science:
- Neurology
- Dermatology
- Orthopedics
Background:
- Notalgia paresthetica is a sensory neuropathy affecting dorsal spinal nerves.
- Characterized by back pruritus, pain, paresthesia, and hyperesthesia, leading to hyperpigmented patches.
- The exact cause of notalgia paresthetica remains undefined.
Purpose of the Study:
- Investigate potential mechanisms behind notalgia paresthetica pathogenesis.
- Utilize clinical examinations and diagnostic tests to explore the condition's origins.
Main Methods:
- Dermatologic, neurologic, and orthopedic examinations were performed on ten patients.
- Included skin biopsy, electrodiagnostic testing, and spinal radiography.
- Correlated spinal findings with the dermatome of cutaneous lesions.
Main Results:
- All patients presented typical symptoms and dermatologic findings.
- Neurologic and electrodiagnostic tests were normal; skin biopsies showed postinflammatory hyperpigmentation.
- Degenerative spinal changes were found in seven patients, correlating with lesion location.
Conclusions:
- A strong correlation exists between notalgia paresthetica localization and spinal degenerative changes.
- Spinal nerve impingement is suggested as a potential contributing factor to the condition's pathogenesis.