title: A case of human pulmonary dirofilariasis in a 48-year-old Korean man.
abstract: Dirofilariasis is a rare disease in humans. We report here a case of a 48-year-old male who was diagnosed with pulmonary dirofilariasis in Korea. On chest radiographs, a coin lesion of 1 cm in diameter was shown. Although it looked like a benign inflammatory nodule, malignancy could not be excluded. So, the nodule was resected by video-assisted thoracic surgery. Pathologically, chronic granulomatous inflammation composed of coagulation necrosis with rim of fibrous tissues and granulations was seen. In the center of the necrotic nodules, a degenerating parasitic organism was found. The parasite had prominent internal cuticular ridges and thick cuticle, a well-developed muscle layer, an intestinal tube, and uterine tubules. The parasite was diagnosed as an immature female worm of Dirofilaria immitis. This is the second reported case of human pulmonary dirofilariasis in Korea.
authors: Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine and Lung Institute, Seoul National University College of Medicine, Seoul 110-744, Korea.
authors: Hyo Jae
authors: HJ
authors: Kang
authors: Young Sik
authors: YS
authors: Park
authors: Chang-Hoon
authors: CH
authors: Lee
authors: Sang-Min
authors: SM
authors: Lee
authors: Jae-Joon
authors: JJ
authors: Yim
authors: Chul-Gyu
authors: CG
authors: Yoo
authors: Young Whan
authors: YW
authors: Kim
authors: Sung Koo
authors: SK
authors: Han
authors: Jong-Yil
authors: JY
authors: Chai
authors: Jinwoo
authors: J
authors: Lee
mesh_terms: D000818:Animals; D003937:Diagnosis, Differential; D004183:Dirofilaria immitis / Q000302:isolation & purification*; D004184:Dirofilariasis / Q000175:diagnosis* / Q000469:parasitology / Q000601:surgery; D006801:Humans; D008168:Lung / Q000473:pathology; D008174:Lung Diseases, Parasitic / Q000175:diagnosis* / Q000469:parasitology / Q000601:surgery; D008297:Male; D008875:Middle Aged; D056910:Republic of Korea; D016896:Treatment Outcome
keywords: Dirofilaria immitis; dirofilariasis; pulmonary dirofilariasis