emphysematous cholecystitis
- "ring of air" in RUQ
- US: bright echos in GB wall with "dirty shadowing"
- DDx: pneumatosis coli, lipomatosis of GB (rare!)
- follow plain xray with U/S
- males (3:1), esp. diabetics
- usually acalculous
- high mortality
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© 2002, C.E. Kahn, Jr.
2002-04-18