9 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... • Petechiae, Palpable ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... cryoglobulins • Skin ... #Differential # ... #dermatology #physicalexam
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... - Hemolytic anemia ... Vasculopathy #Purpura #Differential ... #nonpalpable #dermatology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... • Sickle Cell Anemia ... • Klebsiella granulomatis ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... , mucositis • Rash ... tract, and often causes ... #Vasculitis #Differential
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia ... Headaches • Pale skin ... ecchymoses, mucosal bleeding ... and petechiae Causes ... #oncology #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
glomerulonephritis - Granulomatous ... tract, and often causes ... mucositis - Rash ... scleritis • Palpable ... -> causing palpable
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
just beneath the skin ... by bleeding (petechiae ... blood count with differential ... Syndromes #diagnosis #hematology ... #oncology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... - infiltrates (anemia ... CLL -> Invade Skin ... #Leukemia #Hematology ... #Oncology #Diagnosis