Greater awareness of SEB may result in radiologists being the first physicians to identify SEB and rapidly mobilize an interdisciplinary team for early and effective intervention and treatment. Percutaneous radiologic treatment of self-imbedded STFBs is safe, precise, and effective for radiopaque and nonradiopaque foreign bodies.

We describe a 15-year-old boy who developed pulmonary hyalinizing granuloma (PHG) and retroperitoneal fibrosis (RPF). His PHG and RPF were not associated with histoplasmosis or tuberculosis and appeared to represent idiopathic autoimmune phenomena. This is the first reported case of PHG in a pediatric patient and the fourth reported co-occurrence of PHG and RPF. The use of F-18 fluorodeoxyglucose positron emission tomography in the diagnostic and follow-up evaluation of PHG is reported.

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