[Well Differentiated Liposarcoma of a Lung:Report of a Case].

A 61-year-old woman was referred for further evaluation of an intracystic nodule in her left upper lung. Computed tomography( CT) showed a 15 mm nodule in a pulmonary cyst adjacent to aortic arch and mediastinum. Fluorodeoxyglucose-positron emission tomography (FDG-PET)-CT showed little uptake of FDG in the lesion. No abnormality was found in the bronchoscopy findings. On imaging findings, the possibility of pulmonary aspergilloma was considered, but the serological findings were inconsistent, and surgical resection of the lesion was performed for both diagnosis and treatment. The final pathohistological diagnosis was well differentiated liposarcoma. No adjuvant therapy was performed and the patient has been well without recurrence for 2 years after the surgery. We report a rare case of well differentiated liposarcoma of a lung mimicking pulmonary aspergilloma.

[Endobronchial Hamartoma Treated with Bronchoscopic Microwave Tissue Coagulation and Electrosurgical Snaring:Report of a Case].

A 35-year-old man had chronic cough and was treated as asthma at local doctor. Since the symptoms was not improved, chest computed tomography( CT) was performed and an approximately 5 mm nodule with calcification was found in the left main bronchi. He was referred to our hospital for treatment. Bronchoscopic examination revealed a polypoid lesion in the membranous part of the left main bronchus. Since transbronchial biopsy revealed no malignant findings, bronchoscopic resection using microwave tissue coagulation and electrosurgical snaring was performed safely under the general anesthesia. The tumor was histologically diagnosed as endobronchial hamartoma.

[Cervical Abscess after Surgery for Subglottic Granuloma due to Suture Thread Used at Thyroplasty with Arytenoid Adduction].

A 83-year-old man underwent thyroplasty with arytenoid adduction for right recurrent laryngeal nerve palsy 1 year ago. He had been suffering from hemosputum and cough for last 2 months, and was referred to our hospital for medical examination. Laryngoscopy and neck computed tomography showed subglottic nodule. No evidence of malignancy was noted by a transbronchial biopsy of subglottic nodule. Since subglottic nodule grew rapidly during 2 months observation period, subglottic nodule resection was performed by bronchoscope. Histopathologic examination revealed that the tumor was suture granuloma with no evidence of malignancy. Cervical abscess as a complication of subglottic suture granuloma resection was occurred, because of suture material for arytenoid adduction and the injury of mucous membrane for removing the granuloma with the fenestration of thyroid cartilage for thyroplasty.