7 results
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Chronic leukemia ... extramedullary disease ... (Chronic Lymphocytic ... -> Invade Skin: ... #Leukemia #Hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... Physical Exam/Signs ... Hepatomegaly • Skin ... cells can indicate disease ... #Chronic #Lymphocytic
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
trigger - Direct skin ... infiltration (lymphocytes ... , Chronic spontaneous ... urticaria, Chronic ... Urticaria #diagnosis #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
severity of the disease ... CD4+ and CD8+ T cell ... Mechanic's hands #AntiMDA5DM ... #AntiMDA5 #Dermatomyositis ... #rheumatology #
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
biopsy demonstrates lymphocytes ... patients with kidney disease ... frequent in men Chronic ... Graft-Versus-Host Disease ... hematopoietic stem cell
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... CRP GCA (Giant Cell ... elevated protein, lymphocytic ... Eosinophilia, asthma, chronic ... Differential #Diagnosis #Rheumatology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
pulmonary symptoms • Rheumatologic ... osteomyelitis or skin ... count (mainly lymphocytes ... organism into the skin ... Mouth, throat, skin