Objective To determine the association of atrophy of the abductor digiti minimi muscle (ADMA), an MRI manifestation of chronic compression of the inferior calcaneal nerve suggesting the clinical diagnosis of Baxter's neuropathy, with MRI markers of potential etiologies, including calcaneal spur formation, plantar fasciitis, calcaneal edema, Achilles tendinosis and posterior tibial tendon dysfunction (PTTD). Materials and methods Prevalence of calcaneal spur formation, plantar fasciitis, calcaneal edema, Achilles tendinosis and PTTD was assessed retrospectively on 100 MRI studies with ADMA and 100 MRI studies without ADMA. Patients ranged in age from 10-92 years. Pearson chisquare analyses and Fisher's exact test were used to compare prevalence of the above findings in patients with and without ADMA. Logistic regression was used to determine which variables were significantly associated with ADMA.

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Goodwin et al (1982) and Souliere et al (1990) have proposed a protocol for the selective nonsurgical management of suspected orbital subperiosteal abscesses. This protocol has been routinely applied by the Temple Pediatric Otolaryngology and Ophthalmology services since 1990. During this period, children with computed tomography and physical examination findings consistent with orbital subperiosteal abscesses and visual acuity better than 20/60 were treated with intravenous antibiotics rather than immediate surgery. They were followed with frequent ophthalmologic examinations and operated upon if vision deteriorated or they failed to improve clinically within 48 hours. A review of patients admitted to St Christopher's Hospital for Children, the site of Temple University's pediatric activities in the years from 1991 to 1997, revealed 14 patients with clinical evidence of orbital subperiosteal abscesses. Twelve patients were treated in accordance with the Goodwin-Souliere protocol. All recovered completely without surgical intervention and without any adverse sequelae. Selective nonsurgical treatment of clinically diagnosed orbital subperiosteal abscesses in children is relatively safe and effective.

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