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The first human case of Diplogonoporus balaenopterae (Cestoda: Diphyllobothriidae) infection in Korea
D I Chung,*1H H Kong,1C H Moon,1D W Choi,1T H Kim,2D W Lee,2 and J J Park3
1Department of Parasitology, Kyungpook National University School of Medicine, Taegu 700-422, Korea.
Received May 13, 1995; Accepted May 30, 1995.
Abstract
The first human case of Diplogonoporus balaenopterae infection is reported in Korea. The patient was a 41-year old male who passed a part of cestode strobila, about 1 m long, spontaneously in his stool. He used to eat raw marine fish when he drank alcohol. The worm was identified as D. balaenopterae after morhological observations and literature review. Results of laboratory examination were within normal limits except for slight eosinophilia (6%) and extraordinarily high serum Ig E level (10,182 IU/ml).
Figures
Fig. 1 An incomplete strobila of D. balaenopterae spontaneously passed from the present case. Its length was about 1 m, and the maximum breath 7.8 mm.
Fig. 2 An egg of D. balaenopterae obtained from proglottids. The operculum (arrows) is seen at one end. Bar = 18.4 µm.
Figs. 3-6 Fig. 3. Mature (M) and newly developing (ND) proglottids of D. balaenopterae, showing two sets of genital openings and rosette-like uteri. Secondary (arrows) and tertiary (arrow head) segmentations of proglottids are observed. Bar = 0.94 mm. Fig. 4. Genital atrium showing uterine opening (UO) just beneath to cirrus opening (CO). Bar = 0.29 mm. Fig. 5. Transeverse section of a mature proglottid, showing two cirrus pouches (CP) in a level. Testes (arrows) are divided into 3 groups by cirrus pouches, Vitellaria (arrow heads) are seen in cortical parenchyme. Bar = 0.29 mm. Fig. 6. Transverse (top) and saggital (bottom) sections showing longitudinal (arrow) and circular muscle layers. Bar = 0.19 mm.
Tables
Table 1 Measurements of Diplogonoporus balaenopterae proglottids in comparison with previous reports.
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