Single Nodular Pulmonary Amyloidosis: Case Report

Amyloidosis is defined as the presence of extra-cellular deposits of an insoluble fibrillar protein, amyloid.The pulmonary involvement of amyloidosis is usually classified as tracheobronchial, parenchymal nodular, or diffuse alveolar septal.A single nodular lesion can mimic various conditions, including malignancy, pulmonary tuberculosis, and fungal infection.To date, only one case of nodular pulmonary amyloidosis has been reported in Korea, a case involving multiple nodular lesions.Here, we report and discuss the case of a patient having single nodular amyloidosis.Keyword: Amyloidosis cinoma, and both single and multiple lesions are possible 3 .It has been reported that the pulmonary parenchymal nodular type occurs at higher frequency than the other types.However, to date only one case has been reported in Korea, a case involving multiple nodular lesion.Herein, we report a case of primary single nodular pulmonary amyloidosis recently encountered in Korea. Case ReportA 54-year-old female was admitted to our hospital with subacute cough for the last month.The patient had a history of multilobar (right middle lobe and right upper lobe) pneumonia over the past 2 years, and had been admitted to a nearby hospital with the chief complaint of a cough that had worsened over the previous month.She usually had a dry cough after a cold, which did not last for more than 2 months.Following a diagnosis of acute eosinophilic bronchitis and focal pneumonia, the patient was administered antibiotics.However, her pneumonia did not improve and she was transferred to our hospital for further examination.She had no disease and no operation history.She was nonsmoker and social drinker.She had no family history and her occupation was teacher.