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A case of subcutaneous cysticercosis
H Matsushima1, A Hatamochi, H Shinkai
1Department of Dermatology, Chiba University School of Medicine, Japan.
The Journal of Dermatology
|August 26, 1998
Summary
This report details a rare case of subcutaneous cysticercosis in Japan, caused by the pork tapeworm Taenia solium. Diagnosis was confirmed through histological examination of a surgically removed nodule.
Area of Science:
- Parasitology
- Medical Mycology
- Infectious Diseases
Background:
- Subcutaneous cysticercosis is a parasitic infection caused by the larval stage of Taenia solium.
- Cases are rare, especially in non-endemic regions like Japan.
- This study documents a unique case in Japan, highlighting diagnostic challenges.
Observation:
- A patient presented with aymptomatic subcutaneous nodule on the left shoulder for three years.
- Surgical excision of the nodule was performed.
- Routine laboratory findings and physical examination showed no remarkable changes.
Findings:
- Histological examination revealed a Cysticercus cellulosae hominis with a fibrous capsule and protoscolex.
- Morphological characteristics confirmed the diagnosis.
- The patient had no history of travel outside Japan, suggesting local transmission or prolonged asymptomatic infection.
Implications:
- This case underscores the importance of considering cysticercosis in the differential diagnosis of subcutaneous nodules, even in Japan.
- Further research is needed to understand the transmission dynamics of Taenia solium in non-endemic areas.
- Early diagnosis and treatment are crucial to prevent potential complications.