BACKGROUND Pulmonary alveolar proteinosis(PAP)is a rare condition that can cause progressive symptoms including dyspnea,cough and respiratory insufficiency.Seco
BACKGROUND Herpes simplex virus(HSV)is a highly infectious pathogen that is easily transmitted via the bodily fluids of an infected individual.This virus usuall
BACKGROUND Some patients with the novel 2019 coronavirus disease(COVID-19)display elevated liver enzymes.Some antiviral drugs that can be used against COVID-19
BACKGROUND Floating thrombus within the thoracic aorta is a rare entity but may cause systemic embolism.The pathogenesis of floating aortic thrombi is not yet f
BACKGROUND Primary appendiceal tumors are histologically diverse and have an insidious onset and few specific clinical manifestations.In the majority of cases,t
BACKGROUND Myeloid neoplasm(MN)with eosinophilia and rearrangement of platelet-derived growth factor receptor beta(PDGFRB)shows a good therapeutic response to i
BACKGROUND Pleomorphic adenoma(PA)is the most common benign tumor that occurs in the salivary glands;however,tracheobronchial PA is rarely observed.To the best
BACKGROUND Primary non-Hodgkin’s lymphoma of the frontal sinus is extremely rare.In addition,Epstein-Barr virus(EBV)has been reported to play a role in the dev
BACKGROUND Novel coronavirus disease 2019(COVID-19)was first found in Wuhan,China,and it has rapidly spread worldwide since the end of 2019.There is an urgent n
BACKGROUND The diagnosis and etiology of multiple primary malignant neoplasms(MPMNs)are difficult to establish.Here,we report a case of heterochronic triple pri