Single Nodular Pulmonary Amyloidosis: Case Report

Amyloidoma and Plasmacytoma Presented as a Solitary Lung Nodule in a Patient of Multiple Myeloma With AL-Amyloidosis: A Case Report and Review of Literature

Nodular amyloidoma in the lungs is a rare entity, also the occurrence of extramedullary plasmacytoma (EMP) in the lungs is rare. To have concomitant EMP and amyloidoma presented as a single lung mass is even rarer. There was only one similar case reported in the abstract form previously. Our case did not respond to many novel chemotherapy agents, suggesting that this combination of amyloidoma and plasmacytoma belonged to a poor prognosis entity, requiring different treatment modalities, such as early bone marrow transplantation or CART (chimeric antigen receptors T) therapy.

Pulmonary nodules associated with pulmonary embolism: A rare and misleading presentation of amyloidosis

Amyloidosis is a rare disease especially the localized form involving pulmonary parenchyma. We report the case of a 74 years old woman who presented with chest pain and dyspnoea. CT scan showed pulmonary embolism and bilateral nodules. Laboratory examinations highlighted circulating Kappa IgM. 18F-FDG PET/CT showed intense activity of the nodules. Histological investigation supported the diagnosis of nodular pulmonary amyloidosis. There were no sign of systemic amyloidosis or autoimmune disease. No treatment was initiated: the patient remains asymptomatic after one year. Localized pulmonary amyloidosis related to MGUS was the most likely diagnosis. Malignancy, a differential diagnosis of pulmonary amyloidosis, must be excluded: histological examinations are overriding. Difference between systemic and localized amyloidosis conditions treatment and prognosis. This observation emphasizes the difficulty to establish the diagnosis of pulmonary nodular amyloidosis and the complex relationship between amyloidosis and thromboembolism.

Case report: Pulmonary amyloidosis in two patients with chronic obstructive lung disease (COPD)

We present two cases of patients with chronic obstructive lung disease (COPD) who developed different forms of pulmonary amyloidosis. In both cases malignancy was considered as primary diagnosis. Transthoracic biopsy confirmed pulmonary amyloidosis. In the first case the patient presented with progressive dyspnoea over a two years period. Initial assessment was consistent with a diagnosis of COPD but progressive changes in symptoms and lung functions and subsequently CT Thorax revealed possible airway obstruction. Bronchoscopy confirmed an obstructive lesion initially considered to be malignant but was found to be due to tracheobronchial amyloid (TBA). Our second case presented with symptoms and signs consistent with COPD. Follow up chest X-rays revealed a pulmonary nodule which on CT examination was considered to be malignant. Transthoracic biopsy confirmed pulmonary amyloidosis. Although it is a rare condition amyloid disease should to consider as the part of the differential diagnosis in COPD patients who present with signs and symptoms consistent with pulmonary malignancy.

Nodular Pulmonary Amyloidosis Mimicking Metastatic Pulmonary Nodules: A case report and review of the literature

Amyloidosis is a disorder characterised by the extracellular deposition of amyloid, a fibrillary protein, in various organs such as the lungs. Pulmonary nodular amyloidosis can mimic other lung conditions that present with pulmonary nodules, such as metastasis, sarcoidosis and hyalinising granuloma. We report a 60-year-old man who presented to the Royal Hospital, Muscat, Oman, in 2017 with a history of shortness of breath upon exertion, orthopnoea and bilateral lower limb swelling. A chest X-ray showed bilateral nodular opacities. Enhanced chest computed tomography revealed bilateral pulmonary nodules with a predominantly perilymphatic and subpleural distribution, giving the impression of a neoplastic nodule. A histopathological examination of biopsied lung tissue confirmed a diagnosis of nodular pulmonary amyloidosis.