Acute intermittent porphyria presenting with a subarachnoid haemorrhage
Charles van Heyningen1 and
David M Simms2
1 Clinical Laboratories, University Hospital Aintree, Liverpool L9 7AL;
2 Chemical Pathology Department, Kingston Hospital, Kingston upon Thames KT2 7QB, UK
Figure 1 Pedigree showing autosomal dominant transmission of acute intermittent porphyria due to a R173W gene mutation. In the second generation, the deceased proband had five unaffected brothers, two unaffected sisters and one affected sister