Aquarium granuloma
(Redirected from Swimming pool granuloma)
Aquarium granuloma[edit | edit source]
Aquarium Granuloma[edit | edit source]
Aquarium granuloma, also known as fish tank granuloma, is a rare skin infection caused by the bacterium Mycobacterium marinum. This condition is typically associated with exposure to contaminated water in aquariums, swimming pools, or natural bodies of water.
Etiology[edit | edit source]
Mycobacterium marinum is a non-tuberculous mycobacterium that is found in both fresh and saltwater environments. It is an opportunistic pathogen that can infect humans through small cuts or abrasions in the skin when they come into contact with contaminated water or fish.
Clinical Presentation[edit | edit source]
The infection usually presents as a localized skin lesion, often on the hands or arms, which are the most common sites of exposure. The lesion typically appears as a reddish or purplish papule or nodule that may ulcerate. Over time, the lesion can develop into a granuloma, which is a small area of inflammation due to the body's immune response to the infection.
Diagnosis[edit | edit source]
Diagnosis of aquarium granuloma is based on clinical suspicion, especially in individuals with a history of exposure to aquariums or fish tanks. Confirmation is achieved through microbiological culture of the organism from a biopsy of the lesion. Mycobacterium marinum grows optimally at lower temperatures (around 30°C), which is a key factor in its identification.
Treatment[edit | edit source]
Treatment of aquarium granuloma involves the use of antibiotics. Commonly used antibiotics include clarithromycin, doxycycline, and rifampin. The choice of antibiotic and duration of treatment depend on the severity of the infection and the patient's response to therapy. In some cases, surgical excision of the lesion may be necessary.
Prevention[edit | edit source]
Preventive measures include wearing protective gloves when handling aquariums or fish tanks, especially if there are any cuts or abrasions on the skin. Proper maintenance and cleaning of aquariums can also reduce the risk of infection.
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