Zoonotic Subcutaneous Filaria of Undetermined Classification

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  • * Department of Medical Zoology, Mie University School of Medicine, Tsu 514, Japan
  • Department of Tropical Medicine, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana 70112
  • Second Department of Pathology, Mie University School of Medicine, Tsu 514, Japan
  • § Red Cross Hospital, Ise 516, Japan

A necrotic adult male filaria was found in sections of a dense, fibrous, subcutaneous nodule excised from below the breast of a 61-year-old woman, resident of Mie Prefecture in Honshu, Japan. Owing to its necrotic condition, and to a lack of essential knowledge of the comparative micro-anatomy of filarial worms, a differentiation between Dirofilaria and Dipetalonema species, or member of a related group, was not possible.

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