DNB radiodiagnosis

DNB radiodiagnosis (primary) is a three year radiology training course in India, opted after clearing the central exam (DNB CET) set by national board of examinations (NBE), followed by a centralised counselling procedure. The exam is scheduled twice an year.

It is equivalent in all respects to MD radiodiagnosis degree, included in first schedule of and by M.C.I  by amendment of the government of India (published gazette notification) and has a thesis to be made during the training.

The exit exam, however, is not in the college/hospital where the training is undertaken. The exit exam is taken in two parts:

  • first there is a theory exam that consist of four papers, each with 10 questions (10 marks per question)
    • these papers are given in two consecutive days (two on each day)
    • one needs to clear this exam by scoring atleast 50%, to become eligible for next part
  • after clearing theory, the candidate is allowed three attempts of practical examination, failing which theory exam needs to be given again
    • first attempt must be given in the session in which theory has been cleared
    • next two attempts can be given in any three subsequent sessions
    • practical exam generally consists of
      • 40 spotters
      • 4 long cases
      • 2 table vivas
        • instruments , x-ray and imaging physics, radiation protection.
        • radiographic and  interventional radiology  procedures and techniques , hardware and general questions , PCPNDT.
Secondary DNB

This is a 2 years course that can be taken after DMRD. Candidates who clear their DMRD exit exams, can give a post diploma CET exam (conducted by NBE) for entry into a secondary DNB course.

Though the course is of 2 years, the candidate must complete his thesis within the training period as per NBE guidelines.

Exit exam remains the same as for primary DNB.

Note: A DNB degree can also be obtained by the candidates who have cleared MD examination. MD degree holder needs to clear the two part exam only. Once cleared, they are awarded the degree with no further training.


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