Sparganosis — photos

Symptoms and syndromes in photos

Main » Infectious diseases » Infections Acquired through the Gastro-intestinal Tract » Sparganosis

Edible frog and sea food on a Thai market stall.

Photo 1. Edible frog and sea food on a Thai market stall. Sparganum occur in a variety of amphibious animals including frogs, and these also may be infective to man if ingested. They are the larvae of tapeworms of the genus Spirometra that are common in various canines and felines. The first stage larvae are formed as procercoids in Cyclops. Ingestion of these larvae produces sparganosis in man, since the larvae cannot mature in this abnormal host.

Sparganum mansoni.

Photo 2. Sparganum mansoni.

The sparganum larvae proliferate, often in the subcutaneous tissues, where they may become encysted in large nodules from which they can be removed surgically. When localised in the periorbital tissues or under the conjunctiva, severe oedema may result. Surgical removal of the larvae is necessary. This condition in Vietnam and Thailand may follow the application of frogs as a poultice for inflamed eyes! (x3)

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