8 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
(GPA) Skin involvement ... GPA causes disease ... #GPA #dermatology ... #rash #diagnosis ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Malignancy (e.g. hematologic ... lupus erythematosus ... vein thrombosis Hematologic ... #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
: • Clinical triad ... associated vasculitis - GPA ... polyangiitis ... lupus erythematosus ... #rheumatology #
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Feature A Monoclonal Protein ... Lymphoma (HCV) • CLL ... Pseudohyponatremia • ↓anion gap ... Paraproteinemias #Hematology ... #Diagnosis #Oncology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Gap (Total Protein ... gammopathy, and skin ... gastric tumors • Hematology ... #differential # ... diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... Diagnosis: Systemic ... lupus erythematosus ... • ANCA (Dx: GPA ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis: • Systemic ... : Erythematous nodules ... , mucositis • Rash ... MPO > PR3 60/ GPA ... #Diagnosis #Rheumatology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... disease, alcohol, cancer ... Hematologic malignancy ... #differential # ... diagnosis #infectiousdiseases