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Unicentric Castleman's disease in the posterior cervical space mimicking a schwannoma
M Ochoa-Escudero1, D A Herrera2, A B Dublin3
1Department of radiology, neuroradiology section, hospital Pablo Tobón Uribe, Calle 78B # 69-240, Medellín, Colombia.
Introduction:
Castleman's disease (CD) is a benign and rare lymphoid tissue disease of undetermined origin. It affects the neck infrequently; therefore its preoperative diagnosis is difficult and can be confused with other hypervascular lesions.
Case Report:
We present a case of unicentric hyaline-vascular CD in the posterior cervical space (PCS) evaluated by MRI and initially presumed to be a cervical schwannoma.
Discussion:
As shown with our case, unicentric CD should be included in the differential diagnosis for masses in the PCS, especially when a hypervascular lesion like a schwannoma is suspected. The finding of central low intensity areas in a fissured and radial pattern in T2 sequences can help to consider CD when dealing with PCS masses as shown by previous cases and our reported experience.
