title: [Lung Abscess Diagnosed as Adenocarcinoma by Needle Biopsy;Report of a Case].
abstract: We report a case of lung abscess misdiagnosed as adenocarcinoma based on cytologic findings of the sample obtained from needle biopsy. A 45-year-old man consulted our hospital because of fever, wet cough and an abnormal shadow on a chest X-ray film. A chest computed tomography revealed gradually enlarging pulmonary mass in the left S6 infiltrating the S5. A diagnosis of lung cancer was suspected and surgery was performed. Pathological findings of the specimen showed atypical cells with a large nucleus and a gross papillary neoplasm by needle biopsy. The patient underwent left lower lobectomy and partial resection of upper lobe with standard nodal dissection. The final diagnosis was a lung abscess with pneumonia without evidence of malignancy. When an indeterminate pulmonary tumor must be diagnosed during an operation, we should perform partial resection if possible.
authors.affiliation: Department of Thoracic Surgery, Mie General Medical Center, Yokkaichi, Japan.
authors.forename: Shin
authors.initials: S
authors.lastname: Shomura
authors.forename: Hitoshi
authors.initials: H
authors.lastname: Suzuki
authors.forename: Masaki
authors.initials: M
authors.lastname: Yada
authors.forename: Chiaki
authors.initials: C
authors.lastname: Kondo
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis*; D000077192:Adenocarcinoma of Lung; D001707:Biopsy, Needle; D003937:Diagnosis, Differential; D006801:Humans; D008169:Lung Abscess / Q000473:pathology / Q000601:surgery*; D008175:Lung Neoplasms / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D011013:Pneumonectomy; D014057:Tomography, X-Ray Computed