Successful treatment of basaloid squamous cell carcinoma in the rectosigmoid colon: A case report and review of literature

Lee, Taek-Gu; Yoon, Soon Man; Kim, Myung Jo

doi:10.12998/wjcc.v8.i14.3057

Cited by 2 publications

(1 citation statement)

References 13 publications

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“…The specific expression of several types of cell keratins in the anal transitional zone is also found in epithelium of other squamocolumnar junctions such as the esophagogastric and endo-exocervical junctions ( 17 , 18 ). The literature reports very rare cases of basaloid cell carcinoma arising in the colon and rectum ( 19 ).…”

Section: Discussionmentioning

confidence: 99%

Comparison between two cancer registry quality check systems: functional features and differences in an Italian network of cancer registries dataset

Tagliabue¹,

Perotti²,

Fabiano³

et al. 2023

Front. Oncol.

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PurposeThe aim of this study was to compare the functional characteristics of two computer-based systems for quality control of cancer registry data through analysis of their output differences.MethodsThe study used cancer incidence data from 22 of the 49 registries of the Italian Network of Cancer Registries registered between 1986 and 2017. Two different data checking systems developed by the WHO International Agency for Research on Cancer (IARC) and the Joint Research Center (JRC) with the European Network of Cancer Registries (ENCR) and routinely used by registrars were used to check the quality of the data. The outputs generated by the two systems on the same dataset of each registry were analyzed and compared.ResultsThe study included a total of 1,305,689 cancer cases. The overall quality of the dataset was high, with 86% (81.7-94.1) microscopically verified cases and only 1.3% (0.03-3.06) cases with a diagnosis by death certificate only. The two check systems identified a low percentage of errors (JRC-ENCR 0.17% and IARC 0.003%) and about the same proportion of warnings (JRC-ENCR 2.79% and IARC 2.42%) in the dataset. Forty-two cases (2% of errors) and 7067 cases (11.5% of warnings) were identified by both systems in equivalent categories. 11.7% of warnings related to TNM staging were identified by the JRC-ENCR system only. The IARC system identified mainly incorrect combination of tumor grade and morphology (72.5% of warnings).ConclusionBoth systems apply checks on a common set of variables, but some variables are checked by only one of the systems (for example, checks on patient follow-up and tumor stage at diagnosis are included by the JRC-ENCR system only). Most errors and warnings were categorized differently by the two systems, but usually described the same issues, with warnings related to “morphology” (JRC-ENCR) and “histology” (IARC) being the most frequent. It is important to find the right balance between the need to maintain high standards of data quality and the workability of such systems in the daily routine of the cancer registry.

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Section: Discussionmentioning

confidence: 99%

Comparison between two cancer registry quality check systems: functional features and differences in an Italian network of cancer registries dataset

Tagliabue¹,

Perotti²,

Fabiano³

et al. 2023

Front. Oncol.

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Pigmented basal cell carcinoma of the anus: a rare entity with diagnostic challenges

Fuentes-Calvo,

Silva-Ramos,

Arechavala-López

et al. 2024

Journal of Surgical Case Reports

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Anal cancer is uncommon, comprising 2.2% of gastrointestinal cancers. Squamous cell carcinoma (SCC) is the most common; while perianal basal cell carcinoma (BCC) is rare, representing only 0.2% of anorectal malignancies. BCC, associated with sun exposure and immunosuppression, often resembles benign conditions and manifests as perianal ulcers or masses. Histologically, BCC exhibits basaloid tumor cells with distinct patterns. Despite its rarity, accurate diagnosis is crucial. We expose a case study of a 59-year-old male, previously healthy, that presented with hematochezia and perianal pain, leading to a diagnosis of lower gastrointestinal bleeding. Colonoscopy was needed, and a biopsy revealed an ulcerated, indurated lesion involving the left lateral hemorrhoidal bundle, diagnosed as pigmented basaloid carcinoma. Microscopic examination showed malignant nests of cells with peripheral nuclear palisading, melanocytes, and melanin pigment. Immunohistochemistry confirmed positivity for p63, CK5/6, and BCL2. Respect the treatment, due to the involvement of the anal sphincteric muscle, radiotherapy was chosen.

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Successful treatment of basaloid squamous cell carcinoma in the rectosigmoid colon: A case report and review of literature

Cited by 2 publications

References 13 publications

Comparison between two cancer registry quality check systems: functional features and differences in an Italian network of cancer registries dataset

Comparison between two cancer registry quality check systems: functional features and differences in an Italian network of cancer registries dataset

Pigmented basal cell carcinoma of the anus: a rare entity with diagnostic challenges

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