10 results
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
the vasculitic skin ... lesions were secondary ... Photo credit, Josh ... Fierer, M.D. ... #Dermatology #SkinRash
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... renal failure/uremia ... Pruritus #primary #secondary ... #systemic #generalized ... #dermatology #Differential
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... Differential diagnosis: secondary ... rosea #clinical #dermatology ... #photo #PhysicalExam
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... - Hemolytic anemia ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Burrows between fingers ... , groin • Generalized ... Acute generalized ... Secondary syphilis ... Differential #Diagnosis #Dermatology
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary Skin ... renal failure/uremia ... #Pruritus #secondary ... #systemic #generalized ... #dermatology #Differential
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Classified among the secondary ... Hepatosplenomegaly and generalized ... with leukopenia, anemia ... Diagnosis #Management #Hematology ... #Rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
AIHA Primary Secondary ... lymphoproliferative disorder Secondary ... nose, ears, or fingers ... • Symptoms of anemia ... #hematology #diagnosis
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
just beneath the skin ... DDX: Rule Out Secondary ... Causes • Anemia ... • Aplastic Anemia ... Syndromes #diagnosis #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
- infiltrates (anemia ... bone marrow and secondary ... CLL -> Invade Skin ... #Leukemia #Hematology