Neuromuscular

1. •Myasthenia gravis
   

2. •Peripheral neuropathy
   

3. •Polymyositis
   

4. •Dermatomyositis
   

Haematologic disorders

1. •Red cell aplasia
   

2. •Pernicious anaemia
   

3. •Erythrocytosis
   

4. •Pancytopoenia
   

5. •Autoimmune haemolytic anaemia
   

6. •Leukaemia
   

7. •Multiple myeloma
   

Immune deficiency disorders

1. •Acquired hypogammaglobulinaemia
   

2. •T-cell deficiency syndrome
   

Auto-immune disorders

1. •Systemic lupus erythematosus
   

2. •Rheumatoid arthritis
   

3. •Sjogren’s syndrome
   

4. •Scleroderma
   

Dermatologic disorders

1. •Pemphigus
   

2. •Lichen planus
   

3. •Chronic mucosal candidiasis
   

4. •Alopecia areata
   

Endocrine disorders

1. •Multiple endocrine neoplasia
   

2. •Cushing’s syndrome
   

3. •Thyrotoxicosis
   

Miscellaneous

1. •Giant cell myocarditis
   

2. •Nephrotic syndrome
   

3. •Ulcerative collitis
   

4. •Hypertrophic osteoarthropathy
   

5. •Lymphoid interstitial pneumonitis