Response to Mallet et al., 'Nodular regenerative hyperplasia is a new cause of chronic liver disease in HIV-infected patients'

The recent report by Mallet et al. confirmed nodular regenerative hyperplasia on liver biopsies in seven out of eight HIV patients with unexplained portal hypertension. At this London centre we have also observed a series of patients with HIV infection who have non-cirrhotic portal hypertension (NCPH).