This book on the World Health Organization (WHO) classification of tumours of the nervous
system reflects the view of a working group that convened for an editorial and consensus …

Paget disease of bone is a common disorder affecting approximately 3%–4% of the
population over 40 years of age. The pathologic abnormality in Paget disease is excessive …

Primary melanocytic neoplasms of the central nervous system (CNS) are rare lesions arising
from melanocytes of the leptomeninges. They include diffuse leptomeningeal melanocytosis …

Pigmented lesions of the central nervous system (CNS) are a diverse group of entities that
run the gamut from benign to malignant. These lesions may be well circumscribed or diffuse …

Spinal cord tumors are uncommon neoplasms that, without treatment, can cause significant
neurologic morbidity and mortality. The historic classification of spine tumors is based on the …

Background The spectrum of central nervous system (CNS) abnormalities described in
association with congenital melanocytic naevi (CMN) includes congenital, acquired …

Abstract Neurocutaneous melanosis (NCM; MIM# 249400; ORPHA: 2481], first reported by
the Bohemian pathologist Rokitansky in 1861, and now more precisely defined as …

BACKGROUND: Meningeal melanocytomas are rare benign pigmented tumors of
meningeal melanocytes. Nevus of Ota is a melanocytic pigmentation of the sclera and the …

We describe a 35-year-old man with a history of remote closed head injury who presented
with new neurologic deficits. A noncontrast head CT scan showed hyperattenuation …

OBJECTIVE Neurocutaneous melanocytosis (NCM), also referred to as neurocutaneous
melanosis, is a rare neurocutaneous disorder characterized by excess melanocytic …