A deep learning approach for projection and body-side classification in musculoskeletal radiographs

European Radiology Experimental

Table 1 Overview of every depicted projection in the dataset and its frequency of representation

Head/spine		n	Arm		n	Hand		n	Leg		n	Foot		n
Nasal bone	Lateral	268	AC-joint	AP	445	Hand	AP	487	Pelvis	Pelvis AP	833	Foot	AP	864
							AP	487		Hip AP	355		Oblique	771
							Oblique	454		Hip AP	355		Oblique	771
							Oblique	454		Lauenstein	349		Lateral	392
Cervical spine	AP	367	Shoulder	AP	1,132	Wrist	AP	404	Whole leg	AP	359	Forefoot	AP	306
	Lateral	395		Axial	658		AP	404					AP	306
	Lateral	395		Axial	658		Lateral	443					Oblique	560
	Dens	195		Outlet	977		Lateral	443					Oblique	560
Thoracic spine	AP	659	Clavicle	AP	574	Finger	AP	333	Knee	AP	1,099	Calcaneus	Lateral	299
	AP	659		AP	574		AP	333		Lateral	1,157
	Lateral	620		Oblique	946		Lateral	346
													Axial	435
										Tangential	1,267		Axial	435
Lumbar spine	AP	604	Elbow	AP	358	Thumb	AP	208	Ankle	AP	720	Toe	AP	189
				AP	358								Lateral	168
				Lateral	384								Lateral	168
	Lateral	608		Lateral	384		Lateral	208		Lateral	689	Big toe	AP	224
				Radial head	329								AP	224
				Radial head	329								Lateral	230