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Chapter 2 Deep convolutional neural network in medical image processing  29






                      Table 2.1 Comparative study of medical imaging modalities.


                                  Cost
                                  (approx.
                      Name        in INR)   Pain      Exactness   Advantages      Disadvantages

                      Endoscopy   1500e3500 Semiinvasive, Observes internal Can be used for  Mild cramping,
                                             insertion of  organ and  investigation,  oversedation, tear of
                                             the        tissue in detail  confirmation, and  the inner lining
                                             endoscope              treatment
                                             may cause
                                             pain
                      X-ray        250e2000 Noninvasive, As it is just a  Very short time and  If a dye is administered
                                             no pain    black and   cost-effective  for an X-ray, some
                                                        white image,  procedure    side effects may
                                                        very exact                 occur and the
                                                        details could              radiation is harmful
                                                        be missed                  to a developing fetus
                      Ultrasound   400e600  Noninvasive, As image  No radiations are  The image resolution is
                                             no pain    resolution is  used, and it does  low, interpretation is
                                                        low,        not cause any  difficult at times,
                                                        sometimes the  discomfort to the  penetration is low
                                                        exact problem  patient     through bone and air,
                                                        can be missed              as well as, in obese
                                                                                   patients
                      CT          2,000e10,000 Noninvasive, Good visualization Sedation not  There is exposure to
                                             no pain but  of bone and  required, can be  radiation; insertion of
                                             can cause  calcified   used in emergency  contrast medium can
                                             discomfort  lesions    conditions and  cause health problem
                                             to the                 more scanning
                                             patient                speed
                      MRI         6000e9000 Noninvasive, A cross-sectional Effective for soft-  Study time is more
                                             no pain but  view of an  tissue imaging,  along with loud noise
                                             can cause  organ is    and sedation is  and confined space
                                             discomfort  possible, which  not required
                                             to the     is quite
                                             patient    effective in
                                                        many cases

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