47 results
CT vs T1 MRI
CT Head:
 - Bones are white
 - Fat is Dark & Scalp fat
CT vs T1 MRI CT ... not apparent T1 MRI ... Devpriyo Pal @drdevrad ... #CT #T1 #MRI # ... comparison #neurology #radiology
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... CXR +/- High res CT ... sputum, PCP DFA ... diagnosis #evaluation #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Imaging: - MRI ... enhancement on CT ... #differential # ... diagnosis #AIDS
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
pneumonia: Viral PCP ... This was a PCP-infection ... manifestation of AIDS ... #Clinical #Radiology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... Resonance Imaging (MRI ... Ultrasound #Contrast #CT ... #MRI #POCUS #radiology ... #differential #
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
Cytomegalovirus (CMV) in HIV-AIDS ... CMV infection: virus ... : Quantitative PCR ... • Endocrine: Infectious ... #diagnosis #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... toxo IgG • CNS PCR ... multiple lesions Infectious ... Lesions #Brain #differential ... diagnosis #causes #radiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS infection ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... ) • MRI / CT if
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS infection ... Gastroenteritis) • PCR ... ) • CSF (CNS Infection ... ) • MRI / CT if
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
Care UltraSound (POCUS ... ) to CT or MRI. ... #Diagnosis #Radiology