[Radiofrequency treatment of hemangioma of nasal cavity under nasal endoscopy].

{
  "study_type": "other",
  "exposure": {
    "band": "RF",
    "source": "medical treatment (radiofrequency under nasal endoscopy)",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Patients with hemangioma of the nasal cavity",
  "sample_size": 15,
  "outcomes": [
    "Complete removal of hemangioma",
    "Complications",
    "Recurrence (6 months to 4 years follow-up)",
    "Hemorrhage",
    "Postoperative pain",
    "Facial scarring"
  ],
  "main_findings": "Fifteen nasal cavity hemangioma cases were treated with radiofrequency under nasal endoscopy; all lesions were reported as completely removed. No complications were reported and no recurrences were observed over 6 months to 4 years of follow-up; authors also report less hemorrhage and postoperative pain and no facial scar.",
  "effect_direction": "benefit",
  "limitations": [
    "No control/comparator group described",
    "Small sample size (15 cases)",
    "Radiofrequency exposure parameters (e.g., frequency, power, SAR) not reported",
    "Follow-up duration varied (6 months to 4 years)"
  ],
  "evidence_strength": "very_low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "radiofrequency",
    "nasal endoscopy",
    "hemangioma",
    "nasal cavity",
    "surgery",
    "recurrence",
    "complications"
  ],
  "suggested_hubs": []
}