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1.
J. coloproctol. (Rio J., Impr.) ; 44(1): 41-46, 2024. tab
Article in English | LILACS | ID: biblio-1558285

ABSTRACT

Background: Goblet cell carcinoma (GCC) of the appendix is a unique lesion that exhibits features of both adenocarcinoma and neuroendocrine tumors. Due to the rarity of this cancer, multiple grading (e.g., Tang, Yozu, and Lee) and staging systems (e.g., tumor, lymph nodes, and metastasis [TNM]) have been developed for classification. This study aimed to compare commonly used classification systems and evaluate the prognostic effectiveness immunohistochemical staining may or may not have for appendiceal GCC. Methods: An electronic medical records review of patients who were diagnosed with GCC of the appendix in our hospital system from 2010 to 2020. The data were collected regarding the age at diagnosis, gender, initial diagnosis at presentation, operation(s) performed, final pathology results, current survival status, and year of recurrent disease or death year. Results: Ten patients were evaluated. Seventy percent of the patients were above the age of 50 years at diagnosis. Postdischarge survival ranged from 1 month to 109 months postdiagnosis. Two patients expired from GCC at 13- and 54-months following diagnosis. When comparing the classification systems, Lee categorized more patients as high risk than Tang and Yozu. Immunohistochemical staining was analyzed using four staining methods: Ki67, E-cadherin, Beta-catenin, and p53. Tumor, lymph nodes, and metastasis staging has supportive evidence for worsening prognosis and overall survival secondary to the depth of invasion of the tumor. Conclusion: Tumor, lymph nodes, and metastasis staging may be superior to the other classification systems in predicting overall mortality. Our study demonstrated that immunohistochemistry staining does not appear to have a significant impact in determining the prognosis for GCC of the appendix. (AU)


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Aged, 80 and over , Appendiceal Neoplasms/classification , Carcinoid Tumor/therapy , Prognosis , Immunochemistry , Retrospective Studies , Neoplasm Staging
2.
Rev. méd. hondur ; 84(1-2): 52-54, ene.-jun. 2016. ilus
Article in Spanish | LILACS | ID: biblio-847492

ABSTRACT

Antecedentes: Las neoplasias apendiculares estan presentes en menos del 1% de las apendicectomías. Los linfomas primarios del apéndice son raros ocurriendo en 0.015% de todos los linfomas gastrointestinales. La edad promedio para diagnóstico de los linfomas gastrointestinales es 55 años. En el apéndice cecal se encuentran en la segunda y tercera década de la vida. Es más común en hombres. La manifestación más común es la apendicitis aguda secundaria a obstrucción luminal. Caso clínico: Este es el primer caso reportado en la literatura hondureña. Se trata de una paciente de 67 años que ingresa al Hospital Escuela Universitario de Tegucigalpa, Honduras, con cuadro de dolor abdominal de dos semanas de evolución y sepsis por peritonitis generalizada secundaria a apendicitis aguda complicada. En el transoperatorio se identifican hallazgos compatibles con mucocele pero en la biopsia se diagnostica linfoma difuso de células grandes. El estudio inmunohistoquímico revela positividad para CD20. La evolución postoperatoria de la paciente fue tórpida hacia falla multiorgánica y los familiares decidieron exigir el alta para retornar a su lugar de origen. Conclusión: Aunque las neoplasias apendiculares son infrecuentes, siempre es necesario tener presente el diagnóstico al momento de realizar una apendicectomía, puesto que esto cambia el pronóstico y tratamiento...(AU)


Subject(s)
Humans , Female , Aged , Appendectomy/methods , Appendiceal Neoplasms/classification , Appendix , Gastrointestinal Neoplasms
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