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CT temporal bone (HRCT ear)

A CT temporal bone (HRCT ear) is a ct test of the ear. It shows middle and inner ear bone detail, cholesteatoma. Typical effective dose 1 to 2 mSv, similar to about 4 to 8 months of natural background radiation (about 3 mSv a year).

सामान्य स्वास्थ्य जानकारी — यह निदान नहीं है। आपात स्थिति में 102 पर कॉल करें। हमेशा योग्य स्वास्थ्यकर्मी से सलाह लें।

What it shows

Middle and inner ear bone detail, cholesteatoma.

Why it is done

Chronic ear discharge, hearing loss before surgery.

Preparation

Remove metal objects. If contrast is used you may need to fast for a few hours; tell staff about allergies, kidney disease, diabetes medicines (metformin) or pregnancy.

Radiation & safety

Typical effective dose 1 to 2 mSv, similar to about 4 to 8 months of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.

How long it takes

5 minutes. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

Sample type

CT

परिणाम की व्याख्या के लिए डॉक्टर को दिखाएँ — अकेला परीक्षण निदान नहीं करता।

यह कहाँ कराएँ

आपके पास देखभाल

निकटतम सुविधाएँ दिखाने हेतु आपका स्थान एक बार उपयोग होता है। कुछ संग्रहीत नहीं होता।

सामान्य प्रश्न

What does a hrct temporal bone show?
Middle and inner ear bone detail, cholesteatoma.

Why is a hrct temporal bone done?
Chronic ear discharge, hearing loss before surgery.

How do I prepare for a hrct temporal bone?
Remove metal objects. If contrast is used you may need to fast for a few hours; tell staff about allergies, kidney disease, diabetes medicines (metformin) or pregnancy.

Does a hrct temporal bone use radiation?
Typical effective dose 1 to 2 mSv, similar to about 4 to 8 months of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.

How long does a hrct temporal bone take?
5 minutes

CT temporal bone (HRCT ear) क्यों किया जाता है?
Chronic ear discharge, hearing loss before surgery.

CT temporal bone (HRCT ear) के लिए कैसे तैयारी करें?
Remove metal objects. If contrast is used you may need to fast for a few hours; tell staff about allergies, kidney disease, diabetes medicines (metformin) or pregnancy.

CT temporal bone (HRCT ear) गर्भावस्था में सुरक्षित है?
Typical effective dose 1 to 2 mSv, similar to about 4 to 8 months of natural background radiation (about 3 mSv a year). Tell staff if you are or might be pregnant; the benefit usually outweighs the small risk, and shielding or alternatives can be considered.

SI text CC BY 4.0; RadiologyInfo.org (ACR/RSNA) and MedlinePlus linked as references only, no text copied.

स्रोत: SI health summary (own words); decoder imaging pack; RadiologyInfo.org and MedlinePlus as references only

आपात — कॉल102