Presacral tumors are uncommon lesions that can be difficult to diagnose because of their
nonspecific presenting signs and symptoms. Cross-sectional imaging is essential in …

Tumors that arise in the retrorectal (presacral) space are uncommon lesions that present
with nonspecific signs and symptoms, which lead to difficult diagnoses. For complete …

Background and purpose To interrogate inter-observer variability in gross tumour volume
(GTV) and clinical target volume (CTV) delineation specific to the treatment of sacral …

Aim Tumours in the retrorectal space are rare and pathologically heterogeneous. The roles
of imaging and preoperative biopsy, nonoperative management and the indications for …

Objectives: The objective of the authors was to provide an up-to-date review about the
epidemiology, diagnosis, and surgical management of the malignant primary sacral tumors …

Primary spinal tumors are rare. Current knowledge on this subject is therefore limited due to
the lack of study with large cohort. This study is prompted to share our data on clinical …

Background Sacrectomy is indicated for the resection of life-threatening tumors in the
sacrum area. Several studies have been conducted to investigate important aspects of …

OBJECT There is no consensus regarding the appropriate treatment of sacral giant cell
tumor (GCT). There are 3 main management problems: tumor control, neurological loss, and …

Background: Chordoma is the most common primary malignant tumor of the spine. It is
extremely rare and has been studied primarily in single-institution case series. Using data …

Background Reconstruction after total sacrectomy is a difficult problem in the field of
orthopedic oncology. Current reconstruction methods have not completely solved the …