Vivian Hayashi MD and Robert Smith MD, Mystery Quiz Section Editors
The answer to the mystery quiz is Kaposi’s sarcoma. The CXR shows bilateral confluent airspaceopacities which have a wide differential diagnosis in this case. The CT narrows the differential. Specifically, the opacities appear to emanate from the central hilar …
Vivian Hayashi MD and Robert Smith MD, Mystery Quiz Section Editors
The patient is a 52 year old African-American man who presented with breathlessness and weight loss over one month along with watery stools during the week prior to admission. He had a history of untreated HIV infection, a CD4 cell …
Vivian Hayashi MD and Robert Smith MD, Mystery Quiz Section Editors
The patient is a 52 year old African-American man who presented with breathlessness and weight loss over one month along with watery stools during the week prior to admission. He had a history of untreated HIV infection, a CD4 cell …
Vivian Hayashi MD and Robert Smith MD, Mystery Quiz Section Editors
The answer to the mystery quiz is lymphangitic carcinomatosis (LC). The diffuse interstitial and infiltrative pattern seen on CXR is best appreciated on the CT of the chest. On Images 4, 5 and 6, interlobular septal thickening is apparent (arrow) …
Vivian Hayashi MD and Robert Smith MD, Mystery Quiz Section Editors
The patient is a 62 year old man presenting with increasing breathlessness for the past six weeks. The patient first noted symptoms of mild shortness of breath and cough productive of yellow sputum that he attributed to his yearly winter …
By Mario V Fusaro, MD
Faculty Peer Reviewed
There are certain laws in the universe that are just not meant to be broken. One is gravity. Another one is relativity. The third, don’t give contrast to people with bad kidneys. Perhaps the …
Vivian Hayashi MD and Robert Smith MD, Mystery Quiz Section Editors
The answer to the mystery quiz is pulmonary artery aneurysm. The chest CT shows a very round lesion in the left lower lobe with possible surrounding ground glass opacity. This perfectly round shadow suggests a vascular …
Vivian Hayashi MD and Robert Smith MD, Mystery Quiz Section Editors
The patient is an 84 year old man who presents with small amounts of hemoptysis for one week prior to admission. He is a life-long non-smoker who began having cough with sputum production for one year without fever, chills, nightsweats, …