1773 results
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
• Subcutaneous Nodules ... (Osler's Nodes) ... RheumaticFever #pathophysiology ... diagnosis #signs #symptoms
CREST Syndrome: Pathogenesis and Clinical Findings

CALCINOSIS (BB-sized, hard nodules in fingers)
RAYNAUD'S Phenomenon
ESOPHAGEAL DYSMOTILITY
SCLERODACTYLY (thickening and tightening
BB-sized, hard nodules ... CREST #Syndrome #Pathophysiology ... Diagnosis #Signs #Symptoms
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
Bouchard's nodes ... Osteoarthritis #OA #pathophysiology ... diagnosis #signs #symptoms
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
prognosis • Nodular ... • Classic - Nodular ... pattern of spread, B symptoms ... Classification #pathophysiology
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
-> Rheumatoid Nodules ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... Features: • Many symptoms ... patients have no symptoms ... peripheral lymph nodes ... pernio, papules, nodules
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
painless bump or nodule ... Periorbital #Cellulitis #pathophysiology ... diagnosis #signs #symptoms
Diffuse Systemic Sclerosis (Scleroderma)
 - Pulmonary Fibrosis -> Crackles, Abnormal CXR
 - Pulmonary Hypertension, Right Heart
irregular, hard nodules ... #Scleroderma #pathophysiology ... #signs #symptoms
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
immunity Signs/Symptoms ... adenoids, +/- lymph nodes ... Agammaglobulinemia #XLinked #pathophysiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Sarcoidosis: nodules ... centrilobular nodules ... Sarcoidosis: nodules