32 results
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
• Delayed-type skin ... Pastia lines = petechial ... diagnosis #clinical #photo ... #signs #symptoms
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
malignancy: • Symptoms ... : B-symptoms, bruising ... lymphadenopathy, petechiae ... Diagnosis #Algorithm #hematology
Clinical Features of Infective Endocarditis

General 
 - Malaise 
 - Clubbing 

Cardiac 
 - Murmurs
Pyrexia Skin ... Janeway lesions - Petechiae ... #Endocarditis #Symptoms
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin ... Vasculitis Skin ... Small Vessel: Petechiae ... Cutaneous #Vasculitis #skin ... #dermatology #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... vasculitis Skin ... Findings: • Petechiae ... sensation or pain: • Petechiae ... rash #diagnosis #rheumatology
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
LcSSc) - distal skin ... thickening Signs and Symptoms ... changes): skin ... Scleroderma #SSc #rheumatology ... diagnosis #signs #symptoms
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
Urticaria (hives): Skin ... with systemic symptoms ... Images #Clinical #Photo
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
integrity of: • Skin ... Psychiatric symptoms ... Muscle cramping Skin ... : • Petechia • ... • Petechiae, purpura
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
trigger - Direct skin ... and duration of symptoms ... 50% of patients Skin ... angioedema Other symptoms ... Urticaria #diagnosis #rheumatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
workup for specific symptoms ... organ-specific signs or symptoms ... (eg, skin or esophageal ... Differential #diagnosis #hematology