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Abstract
Case Report
Four cases of inflammatory pseudotumor
Taishi Harada1) Kentaro Watanabe1) Akinori Iwasaki2) Takayuki Shirakusa2) Hiroshi Iwasaki3) Minoru Yosida1)
1)Department of Respiratory Medicine, 2)Second Department of Surgery, and 3)Department of Pathology, Faculty of Medicine, Fukuoka University Hospital, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, 814-0180
ABSTRACT
We report four cases that were pathologically diagnosed, after surgical resection, as inflammatory pseudotumors (IPT) of the lung in patients admitted to Fukuoka University Hospital between 1985 and 2001. On chest radiographs, one patient had a solitary nodular shadow, while the other three had multiple nodular shadows. Chest computed tomography (CT) was performed in 3 patients. All had at least one nodule attached to the pleura. In one case, multiple nodules that had been noted five years before and had disappeared later without treatment, had reappeared two months before admission. The tentative preoperative diagnosis was primary or metastatic lung cancer. Precise diagnosis of IPT totally depends on histological examination after surgical resection. IPT sometimes tends to grow aggressively, although it is histologically benign. Complete resection is the only treatment to avoid relapse.
KEYWORDS
inflammatory pseudotumor plasma cell granuloma fibrous histiocytoma organizing pneumonia
Received 平成14年9月27日
JJRS, 41(6): 402-406, 2003
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