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Ganglia of the Hand and Wrist: A Sonographic Analysis

¹ Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S Kingshighway Blvd., St. Louis, MO 63110.
² Department of Orthopedic Surgery, Washington University School of Medicine, St. Louis, MO.

View larger version (97K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 1 —31-year-old woman with simple-appearing ganglion. Longitudinal sonographic image obtained at level of scapholunate joint shows anechoic cyst with well-defined, thin walls and posterior acoustic enhancement.

View larger version (124K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 2A —54-year-old woman with ruptured, solid-appearing ganglion of finger. Longitudinal sonographic image (A) shows ruptured, solid-appearing ganglion of finger. Calipers delineate margins of ganglion. Power Doppler sonogram (B) shows increased flow. This lesion was initially interpreted on sonography as giant cell tumor, hemangioma, or soft-tissue tumor. Subsequent MRI reported giant cell tumor. At surgical pathology, ganglion was diagnosed.

View larger version (105K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 2B —54-year-old woman with ruptured, solid-appearing ganglion of finger. Longitudinal sonographic image (A) shows ruptured, solid-appearing ganglion of finger. Calipers delineate margins of ganglion. Power Doppler sonogram (B) shows increased flow. This lesion was initially interpreted on sonography as giant cell tumor, hemangioma, or soft-tissue tumor. Subsequent MRI reported giant cell tumor. At surgical pathology, ganglion was diagnosed.

View larger version (79K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 3 —54-year-old man with complex cystic ganglion of finger. Longitudinal sonographic image shows well-defined walls with multiple septations and locules. Internal echoes within fluid suggest presence of mucin. Calipers delineate margins of ganglion.

View larger version (73K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 4A —21-year-old woman with complex cystic ganglion on dorsum of wrist. Longitudinal sonographic image (A) shows thick-walled ganglion with partial solid component. Color Doppler sonogram (B) shows peripheral and central vascularity.

View larger version (60K): [in this window] [in a new window] [as a PowerPoint slide]   Fig. 4B —21-year-old woman with complex cystic ganglion on dorsum of wrist. Longitudinal sonographic image (A) shows thick-walled ganglion with partial solid component. Color Doppler sonogram (B) shows peripheral and central vascularity.

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