11 results
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
inflammation: • Microscopic ... ANCA #Vasculitis #differential ... diagnosis #algorithm #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... Associated: - Microscopic ... #dermatology #rheumatology ... #differential #
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
RBC #Morphology #differential ... #diagnosis #hematology ... #microscopy #atlas
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence microscopy ... ANA #patterns #rheumatology ... #diagnosis #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... PR3-ANCA): • Microscopic ... ear disease Differential ... Dx: GPA, EGPA, microscopic ... #diagnosis #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
reticularis Differential ... Polyarteritis nodosa • Microscopic ... rash #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... (PR3-ANCA)): Microscopic ... #Vasculitis #Differential ... #Diagnosis #Rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
abnormal under the microscope ... abnormal under a microscope ... abnormal under the microscope ... blood count with differential ... Syndromes #diagnosis #hematology

Haemophilus influenzae on culture and microscopy
Immunosuppressed patient, recently diagnosed with Flu A. Presents after initial improvement
on culture and microscopy ... Gram stain from plate ... requirements help differentiate ... the blood agar plate ... hinfluenzae #culture #microscopy
Subglottic stenoses (SGS) during systemic diseases
Subglottic stenosis (SGS) = congenital (children) or acquired (adult) characterized by
• Bronchial fibroscopy ... systemic #diseases #differential ... diagnosis #causes #rheumatology