| Clinical study of pulmonary paragonimiasis. |
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Jin Won Choi, Ik Soo Park, Dong Ho Shin, Sung Soo Park, Jung Hee Lee |
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Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea |
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| Abstract |
Background
Pulmonary paragonimiasis is caused by consumption of raw or improperly cooked crabs infected by a laval stage (metacercaris) of the parasite. In our country it had been a highly prevalent endemic disease until th late 1960s, and after then it’s prevalence has been markedly decreased. But because some people have continued to ingest undercooked crabs, this disease have yet occurred sporadically.
Methods
We reviewed the clinical and radiological findings retrospectively in seventy .four patients of pulmonary paragonimiasis including familial infestation in 7 families (20 cases) who were confirmed by food history, clinical and radiological findings, and laboratory data
Results
The male: female ratio was 2.2:1 and most prevalent age was 40-49 years old. Twen6ty nine patients (39%) had ova-positive infection. The detection sites were sputum (48%) , pleural fluid (17%) , fine needle aspiration biopsy of nodular or cystic lesion (17%) , pleural biopsy (7%) , skin nodule biopsy (7%) , and stool (3%). The patients had pulmonary symptoms in 63 cases (85%) but 9 cases did not have any symptoms. The 53 cases (72%) had abnormal radiological findings in lung parenchyme (75%) and pleura (63%). However 21 cases (28 % ) showed no specific findings in their chest X-ray. Serum titers (ELISA) of specific IgG for paragonimiasis in 13 cases were followed for average 9.8 months after treatment, which showed slow decrease meant. In the evaluation of family member (7family, 20 cases), all members havi ng the common dietary history together with proven patients were confirmed this disease by serological test, regardless of the presence or the absence of clinical
or radiological symptoms.
Conclusion
We evaluated the clinical and radiological findings in 74 cases of pulmonary par.
paragonimiasis including 7 family members who had a history of ingestion of improperly cooked crabs together with patients. The patients of pulmonary paragonimiasis have various findings in clinical and radiological findings. Common diet exposure history and laboratory findings including specific IgG were important in earlier diagnosing and treating in family members of patients |
| Key Words:
Pulmonary paragonimiasis, Familiar infestation |
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