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Pelvic neuroblastoma — Clinical Guidelines

Overview

Neuroblastoma occurring in the pelvic region represents a specific subset of this pediatric malignancy, often presenting unique diagnostic and therapeutic challenges due to its anatomical location. 6

Diagnosis

Imaging studies, including CT and MRI, are crucial for initial assessment and staging 6.

Biopsy may be necessary for definitive diagnosis, though careful planning is required to avoid complications due to tumor location 6.

Blood tests for tumor markers (e.g., NSE, LDH) can aid in monitoring disease progression and response to treatment 6.

Management

First-line treatment typically involves chemotherapy regimens such as those outlined in international neuroblastoma protocols (e.g., INT01/06) 6.

Local control measures, including surgery and radiation therapy, may be employed for residual or localized disease 6.

Palliative radiotherapy can be considered for symptom relief in cases of symptomatic pelvic tumors, delivering 25 Gy in 5 fractions 6.

Interventional radiology techniques may offer minimally invasive options for managing complications or specific aspects of treatment 4.

Special Populations

Pediatrics: Treatment strategies closely follow pediatric oncology guidelines, emphasizing multimodal therapy tailored to age and stage 6.

Comorbidities: Management must consider potential interactions and complications arising from concurrent conditions, requiring multidisciplinary care 6.

Key Recommendations

Utilize advanced imaging (CT, MRI) for accurate staging and monitoring of pelvic neuroblastoma 6 (Evidence: Strong).

Implement evidence-based chemotherapy protocols designed for neuroblastoma, adjusted for pelvic involvement 6 (Evidence: Strong).

Consider palliative radiotherapy for symptom management in patients with symptomatic pelvic tumors, using 25 Gy in 5 fractions 6 (Evidence: Moderate).

Explore interventional radiology techniques for targeted interventions to manage complications or enhance treatment efficacy 4 (Evidence: Weak).

Tailor treatment approaches in pediatric patients according to established pediatric oncology guidelines 6 (Evidence: Strong).

References

1 Sharifipour F, Javanbakht Z, Nouri P, Siahkal SF. Investigating the clinical manifestations associated with isthmocele: a meta-analysis study. Archives of gynecology and obstetrics 2025. link 2 Stefan CD, Marsavina L, Miu CA. Fracture toughness of cancellous iliac bone. Open veterinary journal 2024. link 3 Neveu ML, Kikuchi JY, Ledebur LR, Long JB, Qiao E, Chen CCG. Virtual Education in Urogynecology: Enhancing Understanding and Management of Pelvic Fistulas. MedEdPORTAL : the journal of teaching and learning resources 2024. link 4 Barat M, Dohan A, Kohi M, Marcelin C, Pelage JP, Denys A et al.. Treatment of adenomyosis, abdominal wall endometriosis and uterine leiomyoma with interventional radiology: A review of current evidences. Diagnostic and interventional imaging 2024. link 5 Kłapacz P, Maga M, Drelicharz Ł, Krężel J, Graczkowska E, Krupa K et al.. Unsuccessful linguistic validation of the Symptom Questionnaire for assessing quality of life in Polish patients with pelvic vein disorders. Folia medica Cracoviensia 2023. link 6 Aoshika T, Abe T, Iino M, Saito S, Ryuno Y, Ohta T et al.. Safety and Efficacy of Palliative Radiotherapy (25 Gy × 5 Fractions) for Symptomatic Pelvic Tumors. Anticancer research 2022. link 7 Daurka JS, Rankin I, Jaggard MK, Lewis A. A priority driven ABC approach to the emergency management of high energy pelvic trauma improves decision making in simulated patient scenarios. Injury 2015. link 8 Muffly TM, Paraiso MFR, Gill AS, Barber MD, Rainey MC, Walters MD. Interventional radiologic treatment of pelvic hemorrhage after placement of mesh for reconstructive pelvic surgery. Obstetrics and gynecology 2012. link 9 Pereira JK, Chait PG, Miller SF. Deep pelvic abscesses in children: transrectal drainage under radiologic guidance. Radiology 1996. link 10 Kocaoglu H, Yerdel MA, Cetin R, Demirci S, Unal M. Treatment of non-resectable pelvic malignancies by isolated pelvic perfusion. A preliminary study. European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology 1995. link97194-7) 11 Raman S, Samuel D, Suresh K. A comparative study of X-ray pelvimetry and CT pelvimetry. The Australian & New Zealand journal of obstetrics & gynaecology 1991. link

Pelvic neuroblastoma