19 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... lesions • 80% with lung ... RingEnhancing #Lesions #Brain ... #differential #diagnosis ... #causes #radiology
Radial Fracture Due to Parathyroid Carcinoma- ...A plain radiograph of the left arm showed a diaphyseal
had received a diagnosis ... which is a rare cause ... year after the diagnosis ... #clinical #radiology ... #NEJM #parathyroid
Congenital Cytomegalovirus Infection- Ultrasonographic images showed ventricular dilatation in the fetal brain, and T2-weighted magnetic resonance
the newborn’s brain ... growth restriction, hematologic ... #clinical #NEJM ... #radiology #MRI ... #CT #computed #tomography
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Sign on Chest CT ... • DDx: pna, pulm ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Sign on Chest CT ... extending to the lung ... ILD, necrotizing pna ... #diagnosis #radiology ... #clinical
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
subthalamic nuclei, pons ... patterns (this case ... Leigh #Syndrome #Clinical ... #MRI #Brain #Diagnosis ... #Radiology
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... post-obstructive pna ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Sign on Chest CT ... NTM, atypical pna ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical #tree
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Sign on Chest CT ... RB, Mycoplasma pna ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... multiple ill-defined masses ... the differential diagnosis ... bronchoalveolar carcinoma ... #Clinical #Radiology