Thelaziasis: report of two cases.

abnormal vessels which form an integral part of the lesion forming a 'haemangioneurofibroma'. Such pathology could explain the profuse bleeding encountered when excising this lesion. Malignant conversion to a sarcoma has been described in plexiform neurofibromas but these have been in children with the other signs of neurofibromatosis.4 Our patient will be reviewed indefinitely because the neurofibroma may recur, although the full syndrome of von Recklinghausen's neurofibromatosis is unlikely to develop at this age.