Overview
Metastatic neoplasms refer to cancer cells that have spread from their primary site to distant organs, often causing significant morbidity and mortality. Intracranial, sternal, and subdural locations are notable sites where metastases can present with specific clinical challenges 123.Diagnosis
Clinical Presentation: Sudden onset of symptoms, seizures, rapid neurological deterioration 1.
Imaging: CT scans reveal hyperdense lesions consistent with hemorrhage, with contrast enhancement 1.
Specific Locations:
- Intracranial: Hemorrhagic lesions often associated with primary melanomas, lung cancers, and renal cell carcinomas 1.
- Sternal: Pulsatile tumors suggestive of metastatic disease from renal cell carcinoma or thyroid cancer 2.
- Subdural: Hematomas secondary to dural vessel invasion, potentially exacerbated by clotting defects 3.Management
Surgical Intervention: Craniotomy for solitary hemorrhagic lesions may be considered, though outcomes vary 1.
Medications: High-dose corticosteroids for symptom management, though efficacy is limited 1.
Radiation Therapy: Not specified for intracranial cases in the provided abstracts; may be considered based on institutional protocols 1.
No Specific Chemotherapy Mentioned: Abstracts do not detail specific chemotherapeutic regimens 123.Special Populations
No Specific Data on Pregnancy, Pediatrics, or Elderly: The abstracts do not provide detailed information on these populations 123.
Comorbidities: Coagulation disorders noted in 10% of intracranial cases but not extensively discussed 1.Key Recommendations
Imaging with CT for Diagnosis: Utilize CT scans to identify hyperdense hemorrhagic lesions for accurate diagnosis (Evidence: Moderate 1).
Consider Surgical Removal for Solitary Lesions: Evaluate surgical resection for solitary intracranial hemorrhagic metastases, acknowledging variable outcomes (Evidence: Weak 1).
High-Dose Corticosteroids for Symptom Control: Employ high-dose corticosteroids to manage symptoms, though efficacy may be limited (Evidence: Weak 1).
Aggressive Approach for Metastatic Sternal Tumors: In cases of pulsatile sternal tumors, consider aggressive surgical resection, especially if metastatic from renal cell carcinoma (Evidence: Expert opinion 2).References
1 Weisberg LA. Hemorrhagic metastatic intracranial neoplasms: clinical-computed tomographic correlations. Computerized radiology : official journal of the Computerized Tomography Society 1985. link90006-x)
2 Estrera AS, Platt MR, Mills LJ, Shaw RR. Pulsatile sternal tumor: report of three cases and a review of the literature. The Annals of thoracic surgery 1981. link60934-4)
3 Ambiavagar PC, Sher J. Subdural hematoma secondary to metastatic neoplasm: report of two cases and a review of the literature. Cancer 1978. link42:4<2015::aid-cncr2820420450>3.0.co;2-q)