67 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... deficiencies - PNH ... #hematology #rheumatology ... #nonpalpable #dermatology
Nikolsky's Sign in Toxic Epidermal Necrolysis (TEN)

Nikolsky's sign is a clinical dermatological sign which is present
is a clinical dermatological ... Stevens-Johnson Syndrome ... syndrome, caused ... differentiating between the diagnosis ... #TEN #Dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Generalized Differential Diagnosis ... Systemic and Primary Causes ... Myelodisplastic syndrome ... #generalized #dermatology ... #Algorithm #causes
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
most frequent skin ... appearing during the disease ... #differential #diagnosis ... #dermatology #oncology ... #clinical #skin
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... syndrome (SSS) ... includes Kawasaki disease ... and toxic shock syndrome ... #Diagnosis #Dermatology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
of hair, eyes, skin ... • Addison's disease ... McCune Albright syndrome ... #dermatology #Differential ... #causes
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... ) - HELLP syndrome ... hemoglobinuria (PNH ... #hematology #anemia
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... response to local skin ... (Clinical Dx). ... #signs #symptoms ... #rheumatology #
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Splenomegaly, Increased PMNs ... Abnormal Abdominal Ultrasound ... #Hematology