Symptomatic hepatic cysts: treatment with single-shot injection of minocycline hydrochloride.
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PURPOSE: To assess the efficacy of percutaneous minocycline hydrochloride sclerotherapy in symptomatic hepatic cysts. MATERIALS AND METHODS: From November 1992 to June 1994, seven of eight consecutive adults with large symptomatic hepatic cysts (diameter, 55-130 mm) were treated with a single intracystic injection of minocycline hydrochloride in an ambulatory procedure. Five patients had a solitary cyst, and two had polycystic liver disease. The target cyst was punctured under ultrasound guidance and local anesthesia with a 22-gauge Chiba needle. Half of the cyst content was aspirated before injection of 100-500 mg of minocycline hydrochloride diluted in 5-25 mL of saline. The minocycline hydrochloride was left in the cyst at the end of the procedure. RESULTS: After a mean follow-up of 28 months (range, 24-42 months), all five patients with solitary cysts were asymptomatic and four had documented complete cyst regression; the two patients with multiple hepatic cysts showed only transient clinical improvement. CONCLUSION: Single-shot injection of minocycline hydrochloride is an effective treatment for symptomatic solitary hepatic cysts but is less effective in polycystic liver disease.
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