11 results
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... should be based on clinical ... Inferomedial temporal lobes ... enhancement on CT ... #Infections #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
PCR 50% sensitive ... Lymphoma (CD4 < ... multiple lesions Infectious ... Lesions #Brain #differential ... #diagnosis #causes
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• History of EBV ... infection • Family ... - Clinical Presentation ... Immunohistochemical studies (to differentiate ... physical exam, CT
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome (CAS ... - Monoclonal - Lymphoid ... Clinical Presentation ... - Mycoplasma, EBV ... younger pts) Differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... virus • CMV • EBV ... • Common clinical ... Singh @rav7ks #CNS ... #Infections #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... Leukocytosis, anemia ... seen • Chest CT ... of PCN allergy
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
or Hodgkin lymphoma ... Clinical Picture ... life-threatening Differential ... Imaging - CT Chest ... precipitated by: Drugs, infection
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Amyloidosis • Lymphoma ... Include: • Viral infections ... acute HIV, HBV, EBV ... Thalassemia, Sickle cell anemia ... Gap #ProteinGap #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... of right middle lobe ... Bone Marrow - Anemia ... Imaging, high res CT ... #differential #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... fibromyalgia) • Infections ... and CNS • Headache ... lymphopenia, low PLT • Anemia