9 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
incidentally during medical ... organ-specific signs ... symptoms (eg, skin ... #Differential #diagnosis ... #hematology #eosinophilia
Disseminated Cutaneous Blastomycosis- A fungal culture of skin tissue was negative; however, a skin biopsy showed
fungal culture of skin ... negative; however, a skin ... staining confirmed a diagnosis ... #clinical #photo ... #derm #NEJM #cutaneous
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
DERMATOMYOSITIS Cutaneous ... chest (in a V-sign ... ulcerations • Skin ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... purpura: Strong sign ... progressive) EGPA (Eosinophilic ... Polyangiitis): • Eosinophilia ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• EGPA: - Eosinophilia ... aphthous ulcers, cutaneous ... purpura: strong sign ... of cutaneous leukocytoclastic ... #rheumatology #
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Alpha & Mu) Skin ... gangrenosum • Cutaneous ... Episodic angioedema+eosinophilia ... Paraproteinemias #Hematology ... #Differential #Diagnosis
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
• (Peripheral eosinophilia ... violaceous, nontender cutaneous ... CLL -> Invade Skin ... #Leukemia #Hematology ... #Oncology #Diagnosis
Pyoderma Gangrenosum in Ulcerative Colitis- ...left chest (Panel A) and leg (Panel B). The physical examination
A diagnosis of pyoderma ... second most common dermatologic ... #clinical #photo ... #NEJM #pyoderma ... ulcerative #colitis #derm
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
in the neck Cutaneous ... chest (in a V-sign ... shoulders (in a shawl sign ... #management #rheumatology ... #dermatology