Notalgia paresthetica: treatment using intradermal botulinum toxin A.

Introduction: Notalgia paresthetica is a sensory mononeuropathy that affects dorsal segments T2 to T6. It can have a significant effect on quality of life. Numerous treatments have been used with variable results.

Coexistence of two types of clinical lesions in childhood-onset mastocytosis.

The vast majority of mastocytosis appear in childhood, urticaria pigmentosa (UP) and mastocytomas being the most common types. Terms such as "xanthelasmoid mastocytosis", "pseudoxanthomatous mastocytosis" or "nodular mastocytosis" have been introduced in the literature to describe the presence of yellowish papular or nodular lesions. We describe two children with cutaneous mastocytosis showing yellowish lesions in combination with other skin lesions.

Notalgia paresthesica successfully treated with narrow-band UVB: report of five cases.

Background: Notalgia paresthesica is a disorder of unknown origin characterized by pruritus localized to the patients' back. Local pain, burning or paresthesias have also been described. No definite treatments have been found for this disorder and most of those reported to date are anecdotal.