12 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... Allergic reaction ... -> Particular CD4 ... Stevens-Johnson Syndrome ... #Immunology #pathophysiology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
• CMV • HIV ... • Acne • Allergy ... Lymphocytic Leukemia (CBC ... Causes #Hematology #Oncology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Sweet Syndrome ... Episcleritis Signs ... - Allergic contact ... - CBC may also ... #dermatology #oncology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Physical Exam/Signs ... Lymphocytosis on CBC ... • Richter’s Syndrome ... leukemia • Sezary syndrome ... diagnosis #workup #oncology
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
impairment • HIV ... dementia Pathophysiology ... : HIV frequently ... The clinical syndrome ... and with low CD4
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV ... Pneumonia: • 3 syndromes ... • CT: Halo sign ... macrophages in HIV ... of a "flu-like syndrome
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
regeneration, diffuse CD8 ... primarily deltoids and hip ... PM #Diagnosis #Pathophysiology ... #Signs #Symptoms
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... ATRA treatment Pathophysiology ... • Steroids: IV ... Differentiation #Syndrome ... management #hematology #oncology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... ), compartment syndrome ... Disposition: Type l, DC ... week; Types II-IV
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... Diagnosis: • CBC ... Antibiotics: - IV ... Carbapenems - IV ... in case of PCN allergy