International journal of dermatology
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Notalgia paresthetica is a sensory neuropathy involving the dorsal spinal nerves. The characteristic symptom is pruritus on the back, occasionally accompanied by pain, paresthesia, and/or hyperesthesia, which results in a well-circumscribed hyperpigmented patch in the symptomatic area. The etiology of this condition has not yet been completely defined. ⋯ The striking correlation of notalgia paresthetica localization with degenerative changes in the spine suggests that spinal nerve impingement may contribute to the pathogenesis of this entity.
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Cutaneous myiasis (CM) due to Diptera fly larvae shows different patterns in different regions. Many modalities of treatment have been described. The objectives of our study were to identify the species causing CM in Sri Lanka, the common sites of infestation, and the contributory factors, and to assess some treatment modalities, in particular mineral turpentine and certain herbal preparations. ⋯ All cases of CM were due to larvae of Chrysomya species. The commonest was C. bezziana. C. megacephala larvae causing CM have been reported for the first time in Sri Lanka. The foot was the site of predilection. Dermatitis, psychiatric illness, leprosy, diabetes, and mental subnormality were some contributory factors. Topically instilled mineral turpentine, followed by manual removal of maggots, was effective in most cases. The plant extracts tested in vitro were ineffective. As C. bezziana is an obligatory parasite capable of penetrating deeply, the importance of preventive measures is emphasized.
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Letter Case Reports
Mycetoma due to actinomycetes: a rare entity in Europe.
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A previously healthy 7-year-old white boy presented to St. Louis Children's Hospital with a 1-day history of headache, malaise, temperature of 38.7 degrees C, and a progressively erythematous, tender calf with central dusky purpura. On the morning of admission, his mother noticed a 2-mm crust on the patient's right calf with a 3-cm x 3-cm area of surrounding erythema. ⋯ His blood pressure was normal. Renal ultrasound showed severe left hydronephrosis with cortical atrophy, probably secondary to chronic/congenital ureteropelvic junction obstruction. His right kidney was normal.