

1. Ears and auditory5,6
GPA>MPA
Hearing loss, earache

2. Eyes5,6
GPA>>MPA
Red, painful eyes

3. Nose and sinuses3,5,6
GPA>>MPA
Saddle nose deformity, nasal septum deformity, sinusitis

4. Skin3,6
GPA>MPA
Rashes, purpura, lesions

5. Lungs and upper airways3,5-7
GPA>MPA
Coughing, pain, lung nodules (seen in X rays), alveolar haemorrhage

6. Nervous system3,5,6
CNS (GPA=MPA), PNS (MPA>GPA)
Mononeuritis, paraesthesia, other peripheral neuropathy

7. Kidneys5,6
MPA>GPA
Blood in the urine

8. QoL impairment8
Similar to other chronic diseases and includes anxiety, fatigue, sleep disturbance, depression and pain
