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Castleman's disease of the neck: a description of four cases on contrast-enhanced CT

¹ Department of Radiology, Changi General Hospital, 2 Simei Street 3, Singapore 529889, ² Department of Otolaryngology, Singapore General Hospital, Departments of ³ Diagnostic Imaging, ⁴ Otolaryngology and ⁵ Pathology, KK Women's and Children's Hospital, Singapore

View larger version (113K): [in a new window]   Figure 1. Axial contrast-enhanced CT scan of the neck showing the enlarged and enhancing Level II lymph node on the left side (white arrow) with a crescentic low-attenuation band in the centre (arrowhead).

View larger version (56K): [in a new window]   Figure 2. (a) Axial contrast-enhanced CT scan of the neck shows the enlarged enhancing left Level III lymph node (arrow) with low-attenuation stellate bands forming a scar in the centre (arrowhead). (b) Hemisected lymph node showing part of the central stellate fibrous scar (broad arrow). Haematoxylin & eosin stain; orginal magnification x 10.

View larger version (77K): [in a new window]   Figure 3. Axial contrast-enhanced CT scan showing a bright homogeneously enhancing mass in the left parotid gland (white arrow).

View larger version (96K): [in a new window]   Figure 4. Axial contrast-enhanced CT scan showing a right sided enhancing lymph node with a central rounded non-enhancing area (small arrow). A homogeneously enhancing lymph node is also noted on the left side (*).