, Min A Park, Myung Jae Park, So Young Park, Seung Hyeun Lee Uremic pleuritis is a fibrinous pleuritis of unknown pathogenesis in patients with chronic kidney disease. Although it responds to regular dialysis or repeated thoracentesis, cases that are refractory to those therapies have been reported. We report a case of uremic pleuritis which showed marked improvement following corticosteroid therapy. The effusion was exudate, and negative in cytology and microbiology. Pleural biopsy revealed chronic inflammation with fibrosis. The pleural effusion did not respond to chest tube drainage and continuance of hemodialysis. With a diagnosis of refractory uremic pleuritis, we started methylprednisolone. The pleural effusion responded to the treatment and resolved without complication.
Citations
, Sae Han Kang, Byung Wook Jung, Hyeon Sik Oh, Min Ja Kim, Seung Hyeun Lee Differential diagnosis of invasive aspergillosis from other pulmonary fungal infections including mucormycosis is important because the treatment is pathogen-dependent. Clinically, invasive aspergillosis is often discriminated from other mold infections on the basis of typical histopathologic features in the biopsy specimen. However, biopsy alone is not always complete because different fungal species can display similar histopathologic features. Surrogate markers or molecular-based assays can be useful when the results of conventional diagnostic modalities are conflicting. Here, we present a case of invasive pulmonary aspergillosis histologically mimicking mucormycosis, which was confirmed by fungal polymerase chain reaction.
Citations
, Seon Bin Yoon, Mi Ju Cheon, Young Min Koh, Hyeon Sik Oh, Se Joong Kim, Seung Hyeun Lee Pulmonary mucoepidermoid carcinoma (MEC) is a rare form of lung cancer that originates from submucosal glands of tracheobronchial tree. Unlike low-grade tumor with benign nature, high-grade case is even rarer and has aggressive clinical features with no definite treatment option. Here, we report a case of high-grade pulmonary MEC with fulminant clinical course. A 74-year-old man presented with cough, sputum and mental change. Chest imaging showed massive mediastinal lymphadenopathy with obstructive pneumonia, and multiple metastases in lung and adrenal gland. Bronchoscopy showed polypoid masses obstructing right main bronchus and bronchus intermedius. Histopathology revealed a mixture of glandular structure lined with mucussecreting cells and nests of squamoid cells with nuclear atypia and pleomorphism, which is compatible with high-grade MEC. We intensively treated the patient with combination antibiotics and ventilator care. However, the patient did not respond to the treatment and rapidly deteriorated, and finally expired a month after diagnosis.
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