title: [Pleural fibroma with a cavity-like air space].
abstract: A 45-year-old man was admitted to the hospital because of an increase in the size of an abnormal shadow on chest X-ray films over the preceding 5 years. A chest X-ray film on admission revealed a round air space in a mass-like shadow in the right upper lung field. Results of physical examination, sputum cytologic examination, and Ziehl-Neelsen staining were negative. Histopathological examination of a percutaneous lung biopsy specimen revealed a benign fibrous tumor of the pleura. Thoracotomy revealed a pedunculated tumor arising from the visceral pleura at the apical segment of the right upper lobe. A wedge resection was done. Histological examination revealed that the tumor consisted of regularly-shaped spindle cells with densely collagenous tissue. Normal lung tissue was found to be invaginated into the tumor tissue. These findings are consistent with the radiologic findings.
authors: First Department of Medicine, Tokyo Women's Medical College, Japan.
authors: K
authors: K
authors: Takeyama
authors: A
authors: A
authors: Nagai
authors: M
authors: M
authors: Abe
authors: T
authors: T
authors: Kanemura
authors: N
authors: N
authors: Onuki
authors: S
authors: S
authors: Tahara
authors: S
authors: S
authors: Nitta
authors: A
authors: A
authors: Narimatsu
authors: M
authors: M
authors: Kawakami
authors: K
authors: K
authors: Konno
mesh_terms: D005350:Fibroma / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010997:Pleural Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D013902:Radiography, Thoracic