1. Abscess formation in posterior fossa dermoid cysts

   • G. Erdem
   • H. Topalogˇlu

   LETTER TO THE EDITOR Pages: 297 - 297

2. Congenital lumbosacral lipomas

   • A. Pierre-Kahn
   • Michel Zerah
   • François Nataf

   INVITED PAPER Pages: 298 - 334

3. EDITORIAL COMMENT

   • Anthony J. Raimondi

   EDITORIAL COMMENT Pages: 335 - 335

4. Embryogenesis Why do we need a new explanation for the emergence of spina bifida with lipoma?

   • Martin Catala

   INVITED PAPER Pages: 336 - 340

5. Malignant supratentorial astrocytomas of late childhood Our experience with 25 cases

   • A. Raco
   • Roberto Bristot
   • Roberto Delfini

   ORIGINAL PAPER Pages: 341 - 344

6. Hydrocephalus and chronically increased intracranial pressure in achondroplasia

   • P. Erdinçler
   • Reza Dashti
   • Cengiz Kuday

   ORIGINAL PAPER Pages: 345 - 348

7. Long-term follow up of a growing skull fracture treated by dura and cranioplasty with artificial dura mater and methylmethacrylate

   • Yasuhiro Hayashi
   • T. Yamaki
   • Satoshi Ueda

   CASE REPORT Pages: 349 - 351

8. Dissociation of 99mTc-ECD and 99mTc-HMPAO distributions in herpes simplex encephalitis

   • Y. Tohyama
   • Kazuhiro Sako
   • Tamio Aburano

   Case Report Pages: 352 - 355