Brain imaging findings and neurologic complications after allogenic hematopoietic stem cell transplantation in children

Mara Bonardi, Elena Turpini, Giuseppina Sanfilippo, Tommaso Mina, Alessandra Tolva, Federico Zappoli Thyrion

Research output: Contribution to journalArticle

Abstract

Hematopoietic stem cell transplantation (HSCT) is the only therapy for a subset of patients with malignant and nonmalignant diseases. Central nervous system (CNS) complications continue to be an important cause of morbidity and significantly contribute to mortality after HSCT. These complications include infections, cerebrovascular lesions, therapy-induced diseases, metabolic disturbances, and post-HSCT carcinogenesis. Following HSCT, three phases can be identified on the basis of the patient’s immune status: the pre-engraftment period (<30 days after HSCT), the early postengraftment period (30–100 days after HSCT), and the late postengraftment period (>100 days after HSCT). There is a distinct relationship between the patient’s degree of immunodeficiency after HSCT and the incidence of various complications that may occur. Early diagnosis of CNS complications is crucial for successful management and a good prognosis, and computed tomography and magnetic resonance imaging play an important role in achieving these goals. The global increase in the use of HSCT requires radiologists to be familiar with CNS complications, their relationship to the patient’s immune status, and their imaging appearances. This article describes the clinical background of HSCT; reviews the incidence, causes, and timeline of brain complications in children who underwent allogenic HSCT; and identifies the characteristic imaging findings of these disorders.

Original languageEnglish
Pages (from-to)1223-1238
Number of pages16
JournalRadiographics
Volume38
Issue number4
DOIs
Publication statusPublished - Jul 1 2018
Externally publishedYes

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Hematopoietic Stem Cell Transplantation
Neurologic Manifestations
Neuroimaging
Central Nervous System
Metabolic Diseases
Incidence
Early Diagnosis
Carcinogenesis
Tomography
Magnetic Resonance Imaging
Morbidity
Mortality
Brain
Therapeutics
Infection

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Brain imaging findings and neurologic complications after allogenic hematopoietic stem cell transplantation in children. / Bonardi, Mara; Turpini, Elena; Sanfilippo, Giuseppina; Mina, Tommaso; Tolva, Alessandra; Thyrion, Federico Zappoli.

In: Radiographics, Vol. 38, No. 4, 01.07.2018, p. 1223-1238.

Research output: Contribution to journalArticle

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