12 results
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
yrs old; F>M Signs ... Anemia - Giant cells ... Pathophysiology #Diagnosis ... #Signs #Symptoms ... #Vasculitis
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Pathogenesis of X-ray ... aka. cancerous cells ... Signs/Symptoms: ... BoneTumors #Malignant #Radiology ... #Diagnosis #XRay
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... various inflammatory cells ... #HSP #IgA #Vasculitis ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Presentation: Systemic Symptoms ... purpura: Strong sign ... Multinucleated giant cells ... • Progressive symptoms
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
vascular endothelial cells ... Pathophysiology #Diagnosis ... #Signs #Symptoms ... #Vasculitis
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic inflammatory vasculitis ... systemic sx + signs ... = vasculitis vs ... in literature (NEJM ... #Symptoms #Diagnosis
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
• Langerhan cells ... removal of these cells ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis ... #signs #symptoms
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Typical symptoms ... Less Typical Symptoms ... un lymphatic Diagnostic ... Chest x-ray: signs ... #heartfailure #diagnosis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
• Plasma cells ... Swelling notable on Xray ... Extra-articular signs ... pathophysiology #signs ... #symptoms #diagnosis
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Hypercortisolism - Diagnosis ... suspected: chest x-ray ... abdominal CT, pelvis ... Hypercortisolism #Diagnosis ... #signs #symptoms