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  • Title: [Spontaneous unilateral adrenal hematomas. 10 cases].
    Author: Hoeffel C, Legmann P, Luton JP, Chapuis Y, Bonnin A.
    Journal: Presse Med; 1994 Jun 11; 23(22):1023-6. PubMed ID: 7971805.
    Abstract:
    Spontaneous unilateral adrenal haematoma is a very rare condition. We report 10 such cases in which the pathological examination confirmed the diagnosis and for which computed tomography (CT) (n = 10) and magnetic resonance imaging (MRI) (n = 5) were performed. The diagnosis of this condition was difficult because there was no specific clinical setting nor any specific functional disorder. CT most often revealed a large mass (> 4 cm) of one of the adrenal glands, most often displaying soft-tissue attenuation and thus not specific. However, MRI suggested the diagnosis, showing foci of hypersignal on T1-weighted images and heterogeneous masses on T2-weighted images, predominantly displaying hypersignal and not enhancing, after Gd-DTPA dynamic perfusion study. Pathologic examination of the surgical specimen confirmed either idiopathic haematoma (n = 5) or haematoma possibly associated with a small benign tumour (n = 5). The diagnosis of adrenal haematoma must be considered when an unilateral isolated large adrenal mass is discovered in an asymptomatic patient. MRI with Gd-DTPA dynamic perfusion study has to be performed and one may suggest waiting and repeat imaging (so as to follow decrease in size or signal changes) in order to avoid surgery.
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