PAN, Behcets, Wegeners Granulomatosis Flashcards
What is PAN
Polyarteritis nodosa
Necrotising vasculitis of small and medium vessels .. organgs
Presents as
skin- nodules, infarctive ulcers
Renal - HTN
GIT - abd pain
PAN a/w
- Hep B
- Drug abusers
- B-cell lymphoma
PAN c/f
Young-middle age, MALE
1. Livedo reticularis
2. Skin ulcers
3. Migratory polyarthritis
4. Constitutional symptoms
5. Kidney - HTN, impairment (mcc of death)
6. Heart - Arrhythmias, failure, infarction
Confirmatory inv of PAN
Biopsy
Angiogram if cannot do biopsy - STRING OF BEADS
Mx of PAN
- Steroids
- Cyclophosphamide
What is Behcet’s syndrome, key points for clinical diagnosis?
Vasculitis of small, med and large vessels
Key points:
1. Oral/Genital ulcers
2. Pathergy test +
3. Ocular - uveitis, retinitis
Other points:
1. MALE»
2. Arthritis - knee
3. Erythema nodosum
Diagnosis of Behcets
Clinical diagnosis
Mx of Behcets disease
High dose steroids
Refer to Ophthalmologist
What is Wegeners granulomatosis
Granulomatosis with polyangitis
Vasculitis of unknown cause
Triad of lung and kidney diseases
Triad of Wegeners granulomatosis?
- URTI - sinusitis, epistaxis, SADDLE NOSE
- LRTI - bloody cough, Fleeting pulm shadows, SOB
- Renal - glomerulonephritis, death .. ↓Urine, HTN
Polyarthritis
Oral ulcers
Orbital mass
Diagnosis of Wegeners granulomatosis
c-ANCA
Confirmatory - biopsy of kidney/lung
Rx of Wegeners granulomatosis
DMARDs, Steroids, cyclophophamide
Micro polyangitis
Similar to wegener’s
No granulomatosis
No nose involvement
Churg strauss syn
p-ANCA
Similar to allergy/asthama
↑eosinophils