11 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin ... Leukocytoclastic Vasculitis Secondary ... Palpable purpura, Hemorrhagic ... Disease • Cogan syndrome ... #dermatology #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
red to purple, hemorrhagic ... skin lesions that ... leakage of RBC's secondary ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... evaluation or workup ... • Screen for secondary ... symptoms (eg, skin ... Differential #diagnosis #hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Myelodisplastic syndrome ... Pruritus #primary #secondary ... #generalized #dermatology ... Differential #Diagnosis #Algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
than 2 mm) of hemorrhage ... in primary or secondary ... deficiency Work ... #Causes #dermatology ... #physicalexam
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Discoloration - Splinter hemorrhages ... • Nephrotic syndrome ... #dermatology #Differential ... #Diagnosis #Algorithm
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... • Loose anagen syndrome ... decalvans - Secondary ... to Skin Disease ... HairLoss #Alopecia #dermatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Hepatomegaly • Skin ... • Richter’s Syndrome ... leukemia • Sezary syndrome ... Leukemia #diagnosis #workup ... #oncology #hematology
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary Skin ... Differential Diagnosis Algorithm ... Myelodisplastic syndrome ... #Pruritus #secondary ... #generalized #dermatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... just beneath the skin ... DDX: Rule Out Secondary ... #diagnosis #hematology ... #oncology