T. Ihamäki

2.9k total citations · 2 hit papers
40 papers, 2.3k citations indexed

About

T. Ihamäki is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Gastroenterology. According to data from OpenAlex, T. Ihamäki has authored 40 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Surgery, 16 papers in Pulmonary and Respiratory Medicine and 12 papers in Gastroenterology. Recurrent topics in T. Ihamäki's work include Helicobacter pylori-related gastroenterology studies (32 papers), Gastric Cancer Management and Outcomes (14 papers) and Eosinophilic Esophagitis (7 papers). T. Ihamäki is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (32 papers), Gastric Cancer Management and Outcomes (14 papers) and Eosinophilic Esophagitis (7 papers). T. Ihamäki collaborates with scholars based in Finland, United States and Netherlands. T. Ihamäki's co-authors include M Siurala, I. Michael Samloff, M. Kekki, Jerome I. Rotter, K. Varis, P. Sipponen, J. Lehtola, Jaason Haapakoski, J. Valle and Matti Härkönen and has published in prestigious journals such as Gastroenterology, International Journal of Cancer and Scandinavian Journal of Gastroenterology.

In The Last Decade

T. Ihamäki

40 papers receiving 2.2k 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.

Relationships among serum pepsinogen I, serum pepsinogen II, and gastric mucosal histology. A study in relatives of patients with pernicious anemia.

1982 432 citations I. Michael Samloff, T. Ihamäki et al. PubMed profile →
Relationships Among Serum Pepsinogen I, Serum Pepsinogen II, and Gastric Mucosal Histology

1982 346 citations I. Michael Samloff, T. Ihamäki et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
T. Ihamäki Finland	19	2.1k	1.0k	945	292	151	40	2.3k
G.F. Nelis Netherlands	11	843 0.4×	457 0.4×	428 0.5×	229 0.8×	87 0.6×	20	1.2k
Saburo Shikuwa Japan	24	1.2k 0.6×	1.5k 1.4×	830 0.9×	74 0.3×	169 1.1×	76	2.2k
S Dahill United Kingdom	13	1.1k 0.5×	351 0.3×	494 0.5×	182 0.6×	53 0.4×	15	1.2k
Kurt Borch Sweden	21	906 0.4×	342 0.3×	345 0.4×	284 1.0×	197 1.3×	54	1.7k
JI Elizalde Spain	21	1.4k 0.7×	211 0.2×	1.2k 1.3×	165 0.6×	133 0.9×	32	2.1k
Yasushi Hamaya Japan	17	525 0.3×	239 0.2×	339 0.4×	118 0.4×	219 1.5×	78	1.2k
Yumi Matsushima Japan	20	915 0.4×	140 0.1×	152 0.2×	184 0.6×	219 1.5×	42	1.4k
Kaname Uno Japan	20	851 0.4×	428 0.4×	308 0.3×	121 0.4×	130 0.9×	92	1.1k
Sung-Kyu Choi South Korea	21	720 0.3×	408 0.4×	337 0.4×	25 0.1×	208 1.4×	80	1.2k
J. Lawrence Werther United States	16	436 0.2×	159 0.2×	184 0.2×	165 0.6×	337 2.2×	29	893

Countries citing papers authored by T. Ihamäki

Since Specialization

Citations

This map shows the geographic impact of T. Ihamäki'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 T. Ihamäki with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T. Ihamäki more than expected).

Fields of papers citing papers by T. Ihamäki

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by T. Ihamäki. 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 T. Ihamäki. The network helps show where T. Ihamäki may publish in the future.

Co-authorship network of co-authors of T. Ihamäki

This figure shows the co-authorship network connecting the top 25 collaborators of T. Ihamäki. A scholar is included among the top collaborators of T. Ihamäki 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 T. Ihamäki. T. Ihamäki is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Valle, J., M. Kekki, P. Sipponen, T. Ihamäki, & M Siurala. (1996). Long-Term Course and Consequences ofHelicobacter pylorigastritis Results of a 32-Year Follow-up Study. Scandinavian Journal of Gastroenterology. 31(6). 546–550. 211 indexed citations

Kekki, M., T. Ihamäki, K. Varis, & M Siurala. (1991). Chronic Gastritis Profiles in Sibs of Probands Calculated to Carry a Highly Increased Risk of Gastric Carcinoma. Scandinavian Journal of Gastroenterology. 26(sup186). 29–32. 9 indexed citations

Ihamäki, T., P. Sipponen, K. Varis, M. Kekki, & M Siurala. (1991). Characteristics of Gastric Mucosa Which Precede Occurrence of Gastric Malignancy: Results of Long-Term Follow-up of Three Family Samples. Scandinavian Journal of Gastroenterology. 26(sup186). 16–23. 27 indexed citations

Kekki, M., I. Michael Samloff, P. Sipponen, T. Ihamäki, & M Siurala. (1991). Increase of Serum Pepsinogen I with Age in Females with Normal Gastric Mucosa but not in Males, Possibly Due to Increase in Acid-Pepsin Secreting Area. Scandinavian Journal of Gastroenterology. 26(sup186). 62–64. 6 indexed citations

Kekki, M., M Siurala, & T. Ihamäki. (1991). Enrichment of Combined Antral and Corpus Atrophic Gastritis (“Combined AG”) in Sibs of Gastric Carcinoma Patients. Scandinavian Journal of Gastroenterology. 26(sup186). 24–28. 4 indexed citations

Kekki, M., I. Michael Samloff, K. Varis, & T. Ihamäki. (1991). Serum Pepsinogen I and Serum Gastrin in the Screening of Severe Atrophic Corpus Gastritis. Scandinavian Journal of Gastroenterology. 26(sup186). 109–116. 110 indexed citations

Sipponen, P., J. Valle, K. Varis, et al.. (1990). Fasting Levels of Serum Gastrin in Different Functional and Morphologic States of the Antrofundal Mucosa: An Analysis of 860 Subjects. Scandinavian Journal of Gastroenterology. 25(5). 513–519. 59 indexed citations

Sipponen, P., et al.. (1988). Campylobacter pylori is associated with chronic gastritis but not with active peptic ulcer disease. Apmis. 96(1-6). 84–88. 16 indexed citations

Karvonen, A.-L., M. Kekki, J. Lehtola, P. Sipponen, & T. Ihamäki. (1987). Prepyloric Erosions: An Entity of its Own among Erosive Gastric Lesions: A Morphologic and Dynamic Study of Gastric Mucosa in Patients with Gastric Erosions. Scandinavian Journal of Gastroenterology. 22(9). 1095–1101. 12 indexed citations

10.

Kekki, M., I. Michael Samloff, T. Ihamäki, K. Varis, & M Siurala. (1982). Age- and Sex-Related Behaviour of Gastric Acid Secretion at the Population Level. Scandinavian Journal of Gastroenterology. 17(6). 737–743. 73 indexed citations

11.

Samloff, I. Michael, et al.. (1982). Relationships among serum pepsinogen I, serum pepsinogen II, and gastric mucosal histology. A study in relatives of patients with pernicious anemia.. PubMed. 83(1 Pt 2). 204–9. 432 indexed citations breakdown →

12.

Wiljasalo, M, et al.. (1980). A comparison of double contrast barium meal and endoscopy.. PubMed. 49(1). 1–5. 4 indexed citations

13.

Varis, K., et al.. (1978). Genetic aspects of gastritis-cancer relationship.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 38(2). 51–4. 2 indexed citations

14.

Vuento, Matti, Erkki Ruoslahti, Helena Pihko, et al.. (1976). Carcinoembryonic antigen-like substance in gastric juice. Immunochemistry. 13(4). 313–316. 18 indexed citations

15.

Ihamäki, T., M. Kekki, K. Varis, & M Siurala. (1976). Family patterns of antro- fundal gastritis.. PubMed. 23(5). 345–50. 5 indexed citations

16.

Ihamäki, T., et al.. (1974). Premedication for endoscopy: a controlled trial.. PubMed. 21(4). 303–7. 3 indexed citations

17.

Siurala, M, J. Lehtola, & T. Ihamäki. (1974). Atrophie Gastritis and Its Sequelae. Scandinavian Journal of Gastroenterology. 9(5). 441–446. 91 indexed citations

18.

Kekki, M., T. Ihamäki, K. Varis, et al.. (1973). Age of Gastric Cancer Patients and Susceptibility to Chronic Gastritis in Their Relatives. Scandinavian Journal of Gastroenterology. 8(7). 673–679. 18 indexed citations

19.

Kekki, M., et al.. (1973). Age of gastric cancer patients and susceptibility to chronic gastritis in their relatives. A mathematical approach using Poisson's process and scoring of gastritis state.. PubMed. 8(7). 673–9. 14 indexed citations

20.

Siurala, M, M. Kekki, K. Varis, M Isokoski, & T. Ihamäki. (1972). Twins and cancer.. BMJ. 3(5825). 530.1–531. 8 indexed citations

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.

Explore authors with similar magnitude of impact