Case Study of Human Infection with Diplogonoporus grandis (Cestoda: Diphyllobothriidae) Found in Okayama Prefecture, Japan
The second case of human diplogonoporiasis found in Okayama Prefecture, Japan is reported. The patient was a 65-year-old male living in Mabi-Cho, Kibi-Gun in Okayama. On February 27th 1993, the patient had found and evacuated spontaneously a fragmented strobila without scolex of about 170 cm in length and 12.5 mm in maximum width, then he brought to Mabi Central Hospital a flat parasite. The patient had custmary been eating raw meats of shark as well as marine fishes such as yellow-tail, horse-mackerel and cuttlefish. The fragmented strobila was identified as Diplogonoporus grandis (Blanchard, 1894) Liihe, 1899, based on morphological characteristics of two sets of genital organs in all proglottids of strobila, eggs and serial (transverse and sagittal) sections of proglottids.