Overview
Malignant neoplasm of the splenic flexure, typically referring to colorectal cancer metastasis, involves the distal transverse colon and proximal descending colon. This condition often presents with nonspecific symptoms and requires thorough diagnostic evaluation to confirm metastatic spread 1.Diagnosis
Imaging studies (CT, MRI) essential for identifying mass lesions and assessing extent of disease 1.
Histopathological confirmation via biopsy or surgical resection is definitive 1.
Elevated carcinoembryonic antigen (CEA) levels may correlate with metastatic disease 1.Management
Surgical resection (e.g., splenectomy if primary lesion involves the spleen) remains the primary treatment for localized disease 1.
Adjuvant chemotherapy regimens, such as FOLFOX or CAPOX, recommended post-surgery for advanced or metastatic disease 1.
Palliative care integrated for symptom management and quality of life improvement 1.Special Populations
Pregnancy: Limited data; management typically deferred until postpartum to avoid fetal risks 1.
Pediatrics: Rare occurrence; tailored multidisciplinary approach required 1.
Elderly: Consider functional status and comorbidities; less aggressive treatment strategies may be appropriate 1.
Comorbidities: Presence of significant comorbidities may influence surgical versus non-surgical management decisions 1.Key Recommendations
Confirm diagnosis through imaging and histopathological examination (Evidence: Moderate 1).
Consider surgical resection for localized disease, with splenectomy if necessary (Evidence: Moderate 1).
Implement adjuvant chemotherapy for advanced or metastatic disease (Evidence: Moderate 1).
Integrate palliative care to manage symptoms and improve quality of life (Evidence: Expert opinion 1).
Tailor management strategies based on patient age and comorbidities (Evidence: Expert opinion 1).References
1 Kai K, Hamada T, Sakae T, Sato Y, Hiyoshi M, Inomata M et al.. A case of multifocal sclerosis angiomatoid nodular transformations of the spleen occurring after partial splenic infarction with transcatheter arterial embolization for splenic artery aneurysm. Clinical journal of gastroenterology 2024. link