| Summary: | There are a wide range of benign and malignant pathologies that the radiologist may encounter in the adrenal glands and kidneys, often incidentally when imaging is performed for other indications. Many imaging modalities including CT, MR, and US are often used in an attempt to characterize these lesions. A definitive radiological diagnosis, however, is not always possible. This is at times due to atypical presentations of typical lesions which may be mistaken for more aggressive or concerning pathologic conditions. Adrenal lesions that do not demonstrate characteristic benign imaging features might require surgical excision. Similarly, cystic renal lesions that demonstrate nodular enhancement are concerning for Bosniak IV lesions and require surgical management. We report 3 cases in 3 different patients of incidentally discovered hematomas with peripheral enhancement, 2 involving the adrenal gland and 1 involving the kidney. All 3 of these histologically proven hematomas demonstrated similar radiological manifestations of peripheral nodular progressive enhancement, mimicking neoplastic conditions, and necessitating surgical removal.
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