RESUMO
Introducción: los tumores del apéndice cecal constituyen un grupo heterogéneo de neoplasias con evolución y pronóstico variables; representan una pequeña parte de todas las neoplasias gastrointestinales y de las apendicetomías. Objetivo: realizar la comunicación de la presentación de tumores infrecuentes del apéndice cecal y revisar la literatura con énfasis la importancia del diagnóstico histopa-tológico. Presentación de caso: durante la necropsia del paciente HC: 199584 se realizó el diagnóstico histopatológico de un tumor neuroendocrino y mucocele apendicular y en la pieza quirúrgica del paciente HC: 223360 correspondiente a una apendicectomía se realizó el diagnóstico de adenoma tubulo-velloso, dadas que estas lesiones son poco frecuente se decide su comunicación y la revisión del tema en la literatura en idioma inglés y español a través de las bases de datos MEDLINE/PubMed, Elsevier, SciELO, EBSCO, Hinari y búsqueda avanzada en Google Scholar, encontrándose un total de 29 publicaciones entre 1990 a 2019. Conclusiones: el diagnóstico de tumores del apéndice cecal se realiza en forma incidental en el estudio anatomopatológico después de una apendicectomía por apendicitis aguda, es por ello que siempre se debe realizar el estudio histológico de la pieza quirúrgica, no solo para confirmar o negar el diagnostico que motivo la apendicetomía, sino para descartar la presencia de lesiones neoplásicas benignas o malignas.
Introduction: Tumors of the cecal appendix constitute a heterogeneous group of neoplasms with variable evolution and prognosis; they represent a small part of all gastrointestinal neoplasms and appendectomies. Objective: To communicate the presentation of infrequent tumours of the cecal appendix and to review the literature with emphasis on the importance of histopathological diagnosis. Case presentation: During the necropsy of patient HC: 199584, a histopathological diagnosis of carcinoid tumours and appendicular mucocele was made, and in the surgical specimen of patient HC: 223360 correspondings to an appendectomy, the diagnosis of tubu-lovillous adenoma were made, given that These lesions are rare, it is decided to communicate and review the subject in the literature in English and Spanish through the MEDLINE / PubMed, Elsevier, SciELO, EBSCO, Hinari and Advanced Search in Google Scholar data-bases, finding a total of 29 publications between 1990 to 2019. Conclusions: The diagnosis of tumours of the cecal appendix is made incidentally in the pathological study after an appendectomy for acute appendicitis, which is why the histological study of the surgical piece should always be carried out, not only to confirm or deny the diagnosis. What reason for the appendectomy but to rule out the presence of benign or malignant neoplastic lesions.
RESUMO
We describe the clinic, image, and histopathologic features of a well differentiated neuroendocrine carcinoma (carcinoid tumour) metastatic to choroid and ciliary body in a 52-year-old Mexican Mestizo man. The ophthalmologic examination showed an inferior choroidal mass accompanied by exudative retinal detachment. Ultrasound B-Scan study revealed a diffuse thickened choroid with overlying serous retinal detachment, ultrasound A-Scan revealed a high internal reflectivity solid lesion. Ultrasound biomicroscopy (UBM) evidenced a dome shaped ciliary body mass, presumptive diagnosis was uveal tract metastatic disease. Scleral flap choroidal incisional biopsy was performed. Microscopic evaluation demonstrated a hypercellular lesion replacing choroid, composed by cohesive oval-round cells with finely granular chromatin arranged in organoid pattern. Immunohistochemical reactions were Pankeratin AE1/AE3 (+), Cytokeratin CK5/6 (+), Chromogranin A (+), Ki67 (20%), typical well differentiated neuroendocrine carcinoma (carcinoid tumour) was diagnosed. Patient had a mediastinal carcinoid diagnosed 3â¯years earlier. Metastatic cancer to the eye is perhaps the leading cause of intraocular tumour, despite this fact metastases are rarely seen by the ophthalmologist while the patient is alive. Intraocular metastasis should be considered in the presence of ciliary body or/and choroidal amelanotic or pigmented mass and serous retinal detachment in a patient with history of carcinoid tumor, althought its low frequency (2.2%).
RESUMO
BACKGROUND: Carcinoid of the small intestine, is a well-differentiated neuroendocrine tumor that rarely presents with clinical signs. This tumour can be associated with other conditions, such as inflammatory bowel disease, presenting a wide range of symptoms. In some cases they have an aggressive and highly symptomatic behaviour; thus, clinical suspicion must be high to make an early diagnosis. CLINICAL CASE: A 60 year-old male patient with Crohn's disease and gastrointestinal symptoms attributed to this disease within the last year. He presented with intestinal obstruction initially treated with conservative management with no improvement. Exploratory laparotomy was performed finding a mesenteric tumour that caused the bowel obstruction. Bowel resection with primary anastomosis was performed. The pathology report showed an intestinal carcinoid tumour with lymph node metastases. The patient recovered well, and was discharged without complications to continue medical treatment and follow-up by the Oncology department. CONCLUSION: In almost 42% of the cases, the most common site of carcinoid tumours is the small intestine, and of these, 41% are presented as locoregional disease. Patients with Crohn's disease present a higher incidence. In these cases, the most common presentation is an acute intestinal obstruction (90%). Surgery is usually curative, and follow up is important as the symptoms of Crohn's disease can hide any recurrence.