Castleman's disease is a rare disorder characterized by benign proliferation of lymphoid tissue. Most cases occur as a mediastinal mass, although extrathoracic involvement including nodal and extranodal locations has been reported. The left suprarenal location of this localized disease may be mistaken for an adrenal tumor. We report a case of a 51-year-old woman with a Castleman's tumor located superomedial to the upper pole of the left kidney that mimicked an adrenal neoplasm.
Accurate diagnosis and a definite surgical margin are crucial because AAM is locally aggressive and easily recurrent. Our case deserves attention because it shows that AAM may exist in the head and neck.
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