Research status and trends of deep learning in colorectal cancer (2011-2023): Bibliometric analysis and visualization

Table 1 Top ten countries in terms of number of publications

Rank	Country	Documents
1	China	371
2	United States	265
3	Japan	155
4	South Korea	121
5	United Kingdom	101
6	Germany	96
7	Italy	71
8	Spain	52
9	India	49
10	Netherlands	45

Table 2 Top ten institutions in terms of number of publications

Rank	Institution	Country	Count	Centrality	Proportion (%)
1	Sun Yat-sen University	China	32	0.1	2.5
2	Chinese Academy of Sciences	China	20	0.06	1.5
3	Harvard Medical School	America	20	0.12	1.5
4	Seoul National University	Korea	20	0.01	1.5
5	Zhejiang University	China	19	0.03	1.4
6	Catholic University of Korea	Korea	18	0.08	1.4
7	Southern Medical University	China	18	0.01	1.4
8	German Cancer Research Center	Germany	17	0.06	1.3
9	National Cancer Centre	Japan	16	0.00	1.2
10	Rheinisch-Westfälische Technische Hochschule Aachen	Germany	16	0.02	1.2

Table 3 Top ten journals and co-cited journals

Rank	Journals	Counts	Citations	IF	JCR	Co-cited journals	Co-citations	IF	JCR
1	Scientific Reports	34	1212	3.8	Q1	Gastrointestinal Endoscopy	1053	6.7	Q1
2	IEEE Access	31	643	3.4	Q2	Scientific Reports	969	3.8	Q1
3	Frontiers in Oncology	29	254	3.5	Q2	Proceedings of the IEEE	946	23.2	Q1
4	Cancers	28	453	4.5	Q1	Gastroenterology	923	25.7	Q1
5	Diagnostics	27	267	3.0	Q1	Lecture Notes in Computer Science	886	/	/
6	World Journal of Gastroenterology	22	454	4.3	Q1	Journal of Clinical Oncology	762	42.1	Q1
7	Medical Image Analysis	16	927	10.7	Q1	New England Journal of Medicine	689	96.2	Q1
8	Applied Sciences-Basel	15	187	2.5	Q1	IEEE Transactions on Medical Imaging	671	8.9	Q1
9	Computers in Biology and Medicine	15	516	7.0	Q1	Gut	633	23.0	Q1
10	International Journal of Colorectal Disease	13	418	2.5	Q1	Endoscopy	621	11.5	Q1

IF: Impact factor; JCR: Journal Citation Reports.

Table 4 Top ten journal publishers

Rank	Journal publishers	Counts
1	Elsevier	239
2	Springer Nature	239
3	MDPI	135
4	Wiley Inter Science	99
5	IEEE	68
6	Frontiers Media S.A.	51
7	Nature Portfolio	51
8	LWW	37
9	Baishideng Publishing Group Inc	29
10	Taylor & Francis	24

MDPI: Multidisciplinary Digital Publishing Institute; IEEE: Institute of Electrical and Electronics Engineers; LWW: Lippincott Williams & Wilkins.

Table 5 Top ten authors and co-cited authors in terms of number of publications and citations

Rank	Author	Country	Documents	Co-cited author	Frequency
1	Kather JN	Germany	12	Kather JN	287
2	Lee SH	Korea	9	Bernal J	198
3	Liu Z	China	9	He KM	196
4	Pickhardt PJ	America	9	Wang P	193
5	Brenner H	Germany	8	Jha D	162
6	Brinker TJ	Germany	8	Jemal A	134
7	Hoffmeister M	Germany	8	Ronneberger O	130
8	Aaito Y	Japan	8	Siegel RL	130
9	Zhao K	China	8	Szegedy C	130
10	Ishihara S	Japan	7	Mori Y	123

Table 6 Top ten most cited references

Rank	Title	Journal	First author	Year	Citations
1	Deep residual learning for image recognition	2016 IEEE Conference on Computer Vision and Pattern Recognition	Kaiming He	2016	149
2	U-Net: Convolutional networks for biomedical image segmentation	Medical Image Computing and Computer	Olaf Ronneberger	2015	124
3	Global cancer statistics	CA: A Cancer Journal for Clinicians	Ahmedin Jemal DVM	2011	117
4	Predicting survival from colorectal cancer histology slides using deep learning: A retrospective multicenter study	PLoS Medicine	Jakob Nikolas Kather	2019	87
5	Very deep convolutional networks for large-scale image recognition	Computer Science	Karen Simonyan	2015	87
6	WM-DOVA maps for accurate polyp highlighting in colonoscopy: Validation vs saliency maps from physicians	Computerized Medical Imaging and Graphics	Jorge Bernal	2015	83
7	ImageNet classification with deep convolutional neural networks	Research-Article	Alex Krizhevsky	2017	81
8	Deep learning can predict microsatellite instability directly from histology in gastrointestinal cancer	Brief Communication	Jakob Nikolas Kather	2019	79
9	Deep learning localizes and identifies polyps in real time with 96% accuracy in screening colonoscopy	Gastroenterology	Gregor Urban	2018	75
10	Global cancer statistics 2020: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries	CA: A Cancer Journal for Clinicians	Hyuna Sung	2021	72

Table 7 Top ten high-frequency keywords

Rank	Keywords	Counts
1	Deep learning	354
2	Colorectal-cancer	297
3	Colorectal cancer	293
4	Cancer	172
5	Classification	147
6	Artificial intelligence	144
7	Colonoscopy	136
8	Survival	121
9	Risk	106
10	Diagnosis	98