Evidence map›Paper›PMID 38514507›Full record

ArticleSurgical case reports2024

Early detection of occupational cholangiocarcinoma in a high-risk patient under intensive surveillance: a case study.

Naoko Kounami, Sakae Maeda, Akihiro Kitagawa, Hideo Tomihara, Yuki Ushimaru, Nobuyoshi Ohara, Tomohira Takeoka, Mitsunobu Imasato, Ryohei Kawabata, Shingo Noura and 2 more

Open access · goldAbstract read
In one paragraph

Article in Surgical case reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
1.1field-weighted citation impact, top 24% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed, 2 citations in OpenAlex.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 1 institution in 1 country.

Naoko KounamiDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Sakae MaedaDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan. s-maeda@sakai-hospital.jp.ORCID http://orcid.org/0009-0002-4541-4453
Akihiro KitagawaDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Hideo TomiharaDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Yuki UshimaruDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Nobuyoshi OharaDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Tomohira TakeokaDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Mitsunobu ImasatoDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Ryohei KawabataDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Shingo NouraDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Yumiko YasuharaDepartment of Pathology, Sakai City Medical Center, 1-1-1, Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Atsushi MiyamotoDepartment of Surgery, Sakai City Medical Center, 1-1-1 Ebarazi-Cho, Nishi-Ku, Sakai, Osaka, Japan.
Sakai Municipal Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOccupational cholangiocarcinoma is associated with exposure to organic solvents, such as dichloromethane (DCM) and 1,2-dichloropropane (DCP). This report describes a case of occupational cholangiocarcinoma detected through regularly imaging following the discovery of elevated serum γ-glutamyl trans peptidase (γ-GTP) levels revealed during regular checkup. CASE PRESENTATION: A 43-year-old man who had been working in a printing company with 15 years of exposure to organic solvents presented to our hospital owing to abnormalities found during a routine checkup. Ultrasound (US) imaging revealed thickening of the gallbladder wall accompanied by gallstones, although in the blood tests, γ-GTP levels were within normal range. Given the high risk of cholangiocarcinoma development, the patient underwent regular monitoring with abdominal US and blood tests at a local doctor's office. At the age of 48, his serum γ-GTP level mildly elevated for the first time, prompting the initiation of semi-annual magnetic resonance cholangiopancreatography (MRCP). By the age of 50 years, dilation in B8 was detected, and one and a half years later, a tumor on the central side of the B8 dilation appeared. The patient was diagnosed with intrahepatic cholangiocarcinoma, which was treated with anterior sectionectomy. Pathological examination revealed an adenocarcinoma with a papillary glandular ductal structure at the root of the B8. In addition, biliary intraepithelial neoplasia (BilIN) and dysplasia have been identified around the tumor and periphery bile ducts and in noncancerous bile ducts. Postoperatively, the patient received 6 months of adjuvant chemotherapy with S-1monotherapy. Eight months after surgery, the patient remained under observation with no signs of recurrence.

conclusionsWe report a case of occupational cholangiocarcinoma detected during a prolonged period of regular follow-up after exposure to DCM and DCP. Given the delayed carcinogenesis process, occupational cholangiocarcinomas manifest long after exposure to organic solvents, therefore, ongoing screening is extremely important. Vigilance is essential to avoid underdiagnosis, particularly for individuals who are at an increased risk of developing this form of cancer. Continuous monitoring is key to the early detection and effective management of occupational cholangiocarcinoma.

Indexed as

HepatectomyOccupational cholangiocarcinomaOrganic solvents' exposure

Identifiers

PMID38514507
PMCPMC10957861
OpenAlexW4393105739

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.