Overview
Inflammatory myofibroblastic tumor (IMT) is a rare soft tissue neoplasm characterized by a proliferation of myofibroblastic spindle cells, hyalinized stroma, and inflammatory infiltrates. It can occur in various locations, including the urinary system, often causing significant local effects such as hydronephrosis 1.Diagnosis
Clinical Presentation: Large mass with potential obstructive symptoms (e.g., hydronephrosis) 1.
Imaging: CT or MRI to assess tumor size, location, and extent of involvement 1.
Histopathology: Morphology showing myofibroblastic spindle cells and inflammatory cells 1.
Immunohistochemistry: Positive markers include ALK (anaplastic lymphoma kinase) and smooth muscle actin 1.
Grading: Typically not graded using standard systems; prognosis often depends on completeness of surgical excision 1.Management
Primary Treatment: Complete surgical excision is the mainstay of treatment 1.
Adjuvant Therapy: Not routinely required for localized disease; considered in cases of incomplete resection or recurrence 1.
Follow-Up: Regular imaging and clinical evaluation to monitor for recurrence, typically extending up to 3 years post-surgery 1.Special Populations
Pediatrics: Not addressed in provided abstracts 1.
Elderly: Surgical risk assessment is crucial due to potential comorbidities; no specific guidelines provided 1.
Comorbidities: Management should consider impact on surgical feasibility and postoperative recovery 1.Key Recommendations
Surgical Excision: Complete resection is essential for optimal outcomes to prevent recurrence and metastasis (Evidence: Strong 1).
Postoperative Monitoring: Regular follow-up imaging and clinical assessment for at least 3 years post-surgery is recommended to detect recurrence early (Evidence: Moderate 1).
Adjuvant Therapy: Consider in cases of incomplete resection or suspected aggressive behavior, though evidence is limited (Evidence: Expert opinion 1).References
1 Akgul M, Sahin MF, Arslan A, Oznur M, Yazici C. A Rare Case in Urology: Inflammatory Myofibroblastic Tumour. Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2022. link