49 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... (common causes ... organ-specific signs ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
- Heliotrope sign ... or shawl sign ... - Gottron's sign ... scale - Holster sign ... #Diagnosis #Rheumatology
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential ... polyangiitis (Wegener), Eosinophilic ... , Sarcoidosis, Dermatomyositis ... Reverse #Halo #Sign
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Causes of Eosinophilia ... - Differential ... #Differential # ... Diagnosis #Causes ... #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Seborrhea • Dermatomyositis ... Heliotrope • Dermatomyositis ... Amyloidosis • Eosinophilic ... #skin #rashes #differential ... #diagnosis #rheumatology
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
attributable to eosinophilia ... with blood eosinophilia ... Secondary Causes ... #diagnosis #hematology ... #differential #
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... shoulders (in a shawl sign ... Inverse Gottron’s sign ... #rheumatology # ... dermatology #diagnosis
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Dermatomyositis ... heliotrope rash, Shaw sign ... , holster sign, ... Myositis #diagnosis #rheumatology
Shawl sign poikiloderma in Dermatomyositis

Poikiloderma in general is a common finding in older individuals with chronic
Shawl sign poikiloderma ... along with other signs ... symptoms helps differentiate ... RashDecisionz #Shawl #sign ... #Dermatology #Clinical
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Causes of Leukocytosis ... and Leukopenia - Differential ... Diagnosis • Eosinophilia ... #Diagnosis #causes ... #hematology