12 results
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... inclusions - If infection ... bartonella (oroya fever ... Diagnosis #Algorithm ... #workup #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... lesions (9.4%) • Maculopapular ... reticularis Differential ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
in vasculitic diseases ... inflammation or infection ... petechiae/purpura with fever ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Clinical Presentation ... anemia • Cold ... younger pts) Differential ... Symptoms: High fevers ... #hematology #diagnosis
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... • Autoimmune diseases ... tachycardia or fever ... #differential # ... #WBC #CBC #hematology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Bandemia, AKI. ... Dx? ... the key to the diagnosis ... Diseases Fellowship ... #dermatology #clinical
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Orange or Hep C Clinical ... Lymphadenopathy • Fevers ... weeks without infection ... • Neutropenia, anemia ... workup #oncology #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... kidney failure DDX ... SLE], AOSD) • Infection ... with leukopenia, anemia ... #Management #Hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... weight loss, and fever ... permanent alopecia Differential ... fibromyalgia) • Infections ... lymphopenia, low PLT • Anemia
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... , mucositis • Rash ... vesicles, pustules, maculopapular ... drug exposure or Dx ... #Diagnosis #Rheumatology