メトロポリタン病院では、リアルタイム追跡に対応した4DコーンビームCTを搭載するガンマナイフシステムを使用しています。この技術により、健康な組織を温存しながら高線量の放射線を照射できます。同院は、INTERACT-EUROPE 100から腫瘍学研修に関するゴールドバッジを授与されています。専門的ながん治療には、ガンマナイフとサイバーナイフの両方を利用できます。専任の国際部門が診療を管理しており、ヨーロッパおよび北アフリカ全域での航空救急搬送サービスも手配しています。脳神経外科チームには、ロンドン大学クイーン・メアリー校の准教授であるニコラオス・ハリアソス医師が在籍しています。
","text_type":"mt_wow_description","best_texts":{"good_fit_for":"リアルタイムで追跡される移動腫瘍","why_its_ranked":"4DコーンビームCTを用いたリアルタイム腫瘍トラッキングによりガンマナイフ放射線手術を行い、正常組織を温存しながら高精度に高線量放射線を照射します。"},"reviews":[],"clinic":{"id":8670,"alias":"metropolitan-hospital","name":"Metropolitan Hospital","short_description":"メトロポリタン病院は、ギリシャのアテネにある多診療科の医療センターです。50を超える診療科で、成人および小児の患者を受け入れています。腫瘍学、ロボット手術、神経内科、脳神経外科に力を入れています。同院の脳卒中ユニットは、ギリシャで初めて認定を受けた同種のユニットです。2001年に設立され、チームはda Vinci SPシステムを用いたロボットによる単孔式手術を300件以上実施しています。
腫瘍チームは、INTERACT-EUROPE 100プログラムのゴールドバッジを取得しています。外科医は、精度の高い人工股関節・人工膝関節置換術にMakoシステムを使用しています。また、脊椎手術中のリアルタイム3D画像撮影にはO-arm IIを活用しています。病院はヨーロッパおよび中東全域で航空救急サービスを提供しています。国際患者向けの専任部門が、診療と保険に関する調整を行います。
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Zirh","photo":"doctor/6a5e1b08044b5","advisory_text":"1,500件以上のパーキンソン病およびその他の運動障害に対する手術の成功実績；1,000件以上の脳深部刺激療法（DBS）の施行実績。","linkedin":"","specialities":[{"id":"nrs.001","name":"Neurosurgeon","illness_kind_id":2},{"id":"nrs.005","name":"Stereotactic and functional neurosurgeon","illness_kind_id":2}]},"direction":{"id":2,"name":"脳神経外科","alias":"neurosurgery"},"illness_kind":{"id":2,"name":{"en":"Neurosurgery"}},"parsed_details":{"procedure_type":"non_surgical","fields":{"anesthesia":["local"],"back_to_work_days":{"min":1,"max":3,"unit":"days","qualifier":"Single-session treatment of a small brain lesion; many return to desk work within days, depending on symptoms."},"complication_rate_pct":{"min":3,"max":10,"unit":"percent","qualifier":"Major or lasting events: permanent neurological deficits or symptomatic edema/necrosis. Higher for larger lesions; varies by type."},"contraindications":["Pregnancy","Severe uncontrolled medical illness","MRI contraindication when required (relative)","Critical structures prevent safe dose (relative)"],"days_in_clinic":{"min":1,"max":3,"unit":"nights","qualifier":"Usually 1-3 nights for imaging, planning and treatment day; treatment itself is same-day."},"diagnostic_duration_minutes":null,"diagnostic_preparation":null,"diagnostic_referral_needed":null,"diagnostic_result_time_hours":null,"exercise_resume_weeks":{"min":0.5,"max":2,"unit":"weeks","qualifier":"Light activity within days; strenuous exercise after about 1-2 weeks if no symptoms."},"final_result_months":{"min":12,"max":36,"unit":"months","qualifier":"Tumor shrinkage peaks over 1-3 years; trigeminal neuralgia relief may come within weeks to months."},"fly_home_after_days":{"min":1,"max":3,"unit":"days","qualifier":"Same-day, non-incisional treatment; fly once pin-site soreness, headache and nausea settle. 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Mild discomfort occurs from local anesthetic at frame pin sites and from the frame; headache afterward is usually mild and managed with simple analgesics.","preparation":["Recent MRI (and sometimes CT or angiography) for treatment planning","Neurological assessment; review implants and claustrophobia","Follow center's fasting instructions if sedated","Arrange an escort home","Wear comfortable clothing; avoid hair products and metal on head"],"recovery_timeline":[{"phase":"Treatment day","description":"Head frame or mask fitting, imaging, planning, then painless radiation delivery; frame removed and brief observation.","restrictions":["No driving home","Rest for the remainder of the day"]},{"phase":"First days","description":"Possible mild headache, fatigue or pin-site tenderness; most resume normal light activity.","restrictions":["Avoid strenuous exertion initially","Keep pin sites clean and dry as instructed"]},{"phase":"Weeks to months","description":"Delayed radiation effects may appear, such as swelling; report new neurological symptoms promptly. 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Frame pin sites leave tiny marks that fade in days to weeks.","sessions_or_stages":{"sessions":{"min":1,"max":5,"unit":"visits","qualifier":"Typical single-session radiosurgery; some larger lesions are treated in 2-5 fractions."},"stages":[{"code":"radiosurgery_session","label":"Frame or mask fitting, imaging, planning and radiation delivery","after":{"min":0,"max":0,"unit":"days","qualifier":"Same day"}}],"qualifier":"Follow-up imaging visits are not counted as treatment sessions."},"success":{"metric":"Local tumor control after radiosurgery","value":90,"unit":"percent","horizon":"5 years","population":"Adults with small to moderate benign tumors (e.g. vestibular schwannoma, meningioma, pituitary adenoma)","evidence_status":"limited"},"techniques":[{"name":"Frame-based single-session Gamma Knife","suits_whom":"Most small to moderate intracranial lesions and trigeminal neuralgia.","recovery":"Short; mild pin-site discomfort for a few days."},{"name":"Mask-based fractionated Gamma Knife","suits_whom":"Larger lesions or those near critical structures where staged dosing is safer.","recovery":"No pin sites; multiple short visits over a few days."}],"treatment_conditions":["outpatient"],"treatment_duration_hours":{"min":2,"max":6,"unit":"hours","qualifier":"Whole treatment day: frame fitting, imaging, planning and delivery; beam time is about 0.5-2 hours."},"initial_assessment_documents":["Brain MRI with contrast, DICOM files","Radiology report of the MRI","Prior brain radiation or surgery records","Biopsy or pathology report (if available)","List of blood thinners","Recent neurologist or neurosurgeon summary"],"travel_trips":{"min":1,"max":1,"one_trip_possible":true,"qualifier":"Single-day radiosurgery; stay 2-4 days including pre-treatment imaging and discharge check. Follow-up MRI done at home."},"clinic_checks":{"status":"ok","items":[{"id":"C1","text":"Confirm you will meet a healthcare provider before Gamma Knife surgery","scope":"procedure","source":{"url":"https://my.clevelandclinic.org/health/treatments/16559-gamma-knife-radiosurgery","host":"my.clevelandclinic.org","quote":"Before Gamma Knife surgery, you’ll meet with a healthcare provider.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"C2","text":"Check that a team, not one doctor alone, will treat you, because a team approach gives the greatest safety","scope":"procedure","source":{"url":"https://www.radiologyinfo.org/en/info/gamma_knife","host":"radiologyinfo.org","quote":"A team approach provides patients with the greatest safety.","tier":"tier1_medical","fetched_at":"2026-11-12","http_status":200}},{"id":"C3","text":"Check the qualifications of the medical team treating 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