9 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... 3rd Decade Skin ... Non-autoimmune rheumatologic ... Hodgkin lymphoma and leukemia ... #Systemic #Lupus
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
rendering the immune system ... Hepatomegaly • Skin ... ’s CLL Scoring system ... #diagnosis #workup ... #oncology #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... - PNH - APLS ... vasculitis - GPA ... Differential #Diagnosis #hematology ... #rheumatology #
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
activity • ↓ LAP ... develop leukostasis syndrome ... • Tumor lysis syndrome ... CLL -> Invade Skin ... #Hematology #Oncology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Alpha & Mu) Skin ... thrombosis+Pulm HTN+skin ... to cold IgG • Lupus ... Pseudohyponatremia • ↓anion gap ... Paraproteinemias #Hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... - Purpura - Skin ... reticularis & skin ... lupus erythematosus ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... • Cogan Syndrome ... lupus erythematosus ... vasculitis, and SLE ... differential #diagnosis #rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... gammopathy, and skin ... changes (POEMS syndrome ... gastric tumors • Hematology ... differential #diagnosis #hematology