Mark N. Hadley

16.3k total citations · 2 hit papers
190 papers, 10.4k citations indexed

About

Mark N. Hadley is a scholar working on Surgery, Pathology and Forensic Medicine and Neurology. According to data from OpenAlex, Mark N. Hadley has authored 190 papers receiving a total of 10.4k indexed citations (citations by other indexed papers that have themselves been cited), including 122 papers in Surgery, 111 papers in Pathology and Forensic Medicine and 45 papers in Neurology. Recurrent topics in Mark N. Hadley's work include Spinal Fractures and Fixation Techniques (83 papers), Spine and Intervertebral Disc Pathology (76 papers) and Spinal Cord Injury Research (35 papers). Mark N. Hadley is often cited by papers focused on Spinal Fractures and Fixation Techniques (83 papers), Spine and Intervertebral Disc Pathology (76 papers) and Spinal Cord Injury Research (35 papers). Mark N. Hadley collaborates with scholars based in United States, Canada and Australia. Mark N. Hadley's co-authors include Volker K.H. Sonntag, Robert F. Spetzler, Beverly C. Walters, Carol M. Browner, Curtis A. Dickman, Nicholas Theodore, Daniel E. Gelb, R. John Hurlbert, Sanjay S. Dhall and Timothy C. Ryken and has published in prestigious journals such as New England Journal of Medicine, Neurology and Stroke.

In The Last Decade

Mark N. Hadley

185 papers receiving 9.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The MRI appearance of cavernous malformations (angiomas)

1987 465 citations Mark N. Hadley, Robert F. Spetzler et al. Journal of neurosurgery profile →
Guidelines for the Management of Acute Cervical Spine and Spinal Cord Injuries

2013 432 citations Beverly C. Walters, Mark N. Hadley et al. Neurosurgery profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Mark N. Hadley United States	55	6.2k	5.3k	3.1k	1.1k	1.1k	190	10.4k
Beverly C. Walters United States	44	3.5k 0.6×	2.8k 0.5×	2.6k 0.9×	893 0.8×	1.4k 1.3×	183	7.7k
Bizhan Aarabi United States	54	6.0k 1.0×	6.1k 1.1×	2.3k 0.7×	1.3k 1.2×	935 0.9×	171	9.9k
James S. Harrop United States	60	10.5k 1.7×	9.4k 1.8×	1.1k 0.4×	1.6k 1.4×	650 0.6×	453	14.6k
Volker K.H. Sonntag United States	60	10.5k 1.7×	8.6k 1.6×	1.5k 0.5×	849 0.8×	784 0.7×	314	12.7k
Edward C. Benzel United States	57	8.7k 1.4×	7.3k 1.4×	1.4k 0.5×	860 0.8×	724 0.7×	436	11.6k
Daniel K. Resnick United States	55	5.7k 0.9×	6.4k 1.2×	1.5k 0.5×	520 0.5×	557 0.5×	274	10.1k
Marcel F. Dvorak Canada	66	10.0k 1.6×	10.2k 1.9×	707 0.2×	1.5k 1.4×	640 0.6×	342	13.8k
Charles G. Fisher Canada	63	9.7k 1.6×	8.6k 1.6×	680 0.2×	949 0.9×	391 0.4×	393	12.6k
Roger Härtl United States	41	3.1k 0.5×	2.4k 0.5×	2.4k 0.8×	483 0.4×	852 0.8×	175	6.1k
R. John Hurlbert Canada	43	4.1k 0.7×	4.9k 0.9×	604 0.2×	896 0.8×	308 0.3×	119	6.5k

Countries citing papers authored by Mark N. Hadley

Since Specialization

Citations

This map shows the geographic impact of Mark N. Hadley's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Mark N. Hadley with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Mark N. Hadley more than expected).

Fields of papers citing papers by Mark N. Hadley

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Mark N. Hadley. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Mark N. Hadley. The network helps show where Mark N. Hadley may publish in the future.

Co-authorship network of co-authors of Mark N. Hadley

This figure shows the co-authorship network connecting the top 25 collaborators of Mark N. Hadley. A scholar is included among the top collaborators of Mark N. Hadley based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Mark N. Hadley. Mark N. Hadley is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Rogers, Helen, et al.. (2025). A secondary analysis of gait after a 4-week postural intervention for older adults with hyperkyphosis. BMC Musculoskeletal Disorders. 26(1). 136–136.

Buck, Michael D., Jeffrey S. Brown, Mark N. Hadley, et al.. (2014). Query Health: standards-based, cross-platform population health surveillance. Journal of the American Medical Informatics Association. 21(4). 650–656. 34 indexed citations

Foreman, Paul M., James M. Markert, Arnold G. Diethelm, & Mark N. Hadley. (2014). The History of Neurosurgery at the University of Alabama at Birmingham. Neurosurgery. 75(4). 483–488. 2 indexed citations

Hadley, Mark N., Beverly C. Walters, Bizhan Aarabi, et al.. (2013). Clinical Assessment Following Acute Cervical Spinal Cord Injury. Neurosurgery. 72(supplement 2). 40–53. 35 indexed citations

Rozzelle, Curtis J., Bizhan Aarabi, Sanjay S. Dhall, et al.. (2013). Os Odontoideum. Neurosurgery. 72(supplement 2). 159–169. 33 indexed citations

Hadley, Mark N., Beverly C. Walters, Bizhan Aarabi, et al.. (2013). Radiographic Assessment. Neurosurgery. 72(supplement 2). 54–72. 53 indexed citations

Hadley, Mark N. & Beverly C. Walters. (2013). Introduction to the Guidelines for the Management of Acute Cervical Spine and Spinal Cord Injuries. Neurosurgery. 72(supplement 2). 5–16. 41 indexed citations

Theodore, Nicholas, Bizhan Aarabi, Sanjay S. Dhall, et al.. (2013). The Diagnosis and Management of Traumatic Atlanto-occipital Dislocation Injuries. Neurosurgery. 72(supplement 2). 114–126. 60 indexed citations

Matz, Paul G., et al.. (2007). ANTERIOR CERVICAL APPROACH FOR THE TREATMENT OF CERVICAL MYELOPATHY. Neurosurgery. 60(1). S1–64. 40 indexed citations

10.

Resnick, Daniel K., Tanvir F. Choudhri, Andrew T. Dailey, et al.. (2005). Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 12: pedicle screw fixation as an adjunct to posterolateral fusion for low-back pain. Journal of Neurosurgery Spine. 2(6). 700–706. 26 indexed citations

11.

Connors, John J., David Sacks, Anthony J. Furlan, et al.. (2004). Training, Competency, and Credentialing Standards for Diagnostic Cervicocerebral Angiography, Carotid Stenting, and Cerebrovascular Intervention. Journal of Vascular and Interventional Radiology. 15(12). 1347–1356. 24 indexed citations

12.

Iskandar, Bermans J., et al.. (2001). Congenital tethered spinal cord syndrome in adults. Neurosurgical FOCUS. 10(1). 1–5. 85 indexed citations

13.

Bashir, Khurram, et al.. (2000). Surgery for Cervical Spinal Cord Compression in Patients with Multiple Sclerosis. Neurosurgery. 47(3). 637–643. 16 indexed citations

14.

Iskandar, Bermans J., et al.. (1998). Congenital tethered spinal cord syndrome in adults. Journal of neurosurgery. 88(6). 958–961. 81 indexed citations

15.

Vale, Fernando Ĺ., Jennifer Burns, Amie B. Jackson, & Mark N. Hadley. (1997). Combined medical and surgical treatment after acute spinal cord injury: results of a prospective pilot study to assess the merits of aggressive medical resuscitation and blood pressure management. Journal of neurosurgery. 87(2). 239–246. 313 indexed citations

16.

Hadley, Mark N., et al.. (1994). Chorda Tympani Nerve Injury Following Inferior Alveolar Injection: A Review of Two Cases. The Journal of the American Dental Association. 125(7). 1003–1006. 29 indexed citations

17.

Hadley, Mark N., Curtis A. Dickman, Carol M. Browner, & Volker K.H. Sonntag. (1989). Acute axis fractures: a review of 229 cases. Journal of neurosurgery. 71(5). 642–647. 240 indexed citations

18.

Spetzler, Robert F., Mark N. Hadley, Daniele Rigamonti, et al.. (1988). Aneurysms of the basilar artery treated with circulatory arrest, hypothermia, and barbiturate cerebral protection. Journal of neurosurgery. 68(6). 868–879. 210 indexed citations

19.

Sonntag, Volker K.H., Mark N. Hadley, Curtis A. Dickman, & Carol M. Browner. (1988). Atlas Fractures: Treatment and Long-term Results. PubMed. 43. 63–68. 7 indexed citations

20.

Hadley, Mark N.. (1954). Familial disseminated sclerosis in Scotland.. PubMed. 61(12). 402–12.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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