A retrospective clinicopathological analysis of appendiceal tumors from 3,744 appendectomies: a single-institution study

Lee, Won Suk; Choi, Sang Tae; Lee, Jung Nam; Kim, Keon Kug; Park, Yeon Ho; Baek, Jeong‐Heum

doi:10.1007/s00384-010-1124-1

Cited by 32 publications

(44 citation statements)

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“…Los tumores apendiculares tienen una baja incidencia que varía aproximadamente entre 0,2% a 0,5% de todas las neoplasias gastrointestinales, encontrándose en una frecuencia menor a 2% de todos los pacientes sometidos a apendicectomía de urgencia por apendicitis [1][2][3][4][5] . La presentación habitual de la mayoría de estos tumores es el proceso inflamatorio agudo del apéndice, razón por la cual el diagnóstico definitivo se conoce sólo con el informe histopatológico [1][2][3][4] .…”

Section: Tumores Malignos Del Apéndice Cecal En Pacientes Operados Pounclassified

“…La presentación habitual de la mayoría de estos tumores es el proceso inflamatorio agudo del apéndice, razón por la cual el diagnóstico definitivo se conoce sólo con el informe histopatológico [1][2][3][4] . En algunos casos excepcionales, el diagnóstico de un tumor apendicular se sospecha durante la cirugía o en el período preoperatorio, planteando un problema respecto al tratamiento quirúrgico apropiado en esta circunstancia 1,3,4 . Los tumores apendiculares pueden ser benignos, tales como el cistoadenoma mucinoso asociado a otros tumores del ovario o colon, el mucocele simple, los neuromas y neurofibromas en pacientes con neurofibromatosis tipo I y los tumores estromales 1,6 .…”

Section: Tumores Malignos Del Apéndice Cecal En Pacientes Operados Pounclassified

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Tumores malignos del apéndice cecal en pacientes operados por apendicitis en la IV Región de Chile

et al. 2013

Rev Chil Cir

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Malignant appendicular tumors on patients operated for acute appendicitisBackground: The most common malignant appendicular neoplasm is the neuroendocrine welldifferentiated tumor (NET). Other malignant tumors are uncommon, reported with a frequency of 0.2% of all appendectomies. Aim: To describe the characteristics of appendiceal malignant tumors found in regional hospitals of Northern Chile. Material and Methods: All patients operated for acute appendicitis between 2005 and 2011, in which a malignant appendiceal tumor was found in the pathological study, were analyzed. Clinical and survival information was obtained from medical records and national death registries. Results: We analyzed 8.972 appendectomy records. Appendicular tumors were found in 40 patients (0.4%). Thirty patients (0.3%) had malignant tumors. NET was the most common tumor found in 19 patients (63%). The tumor was smaller than 1 cm in 16 cases (53%). In 5 patients (17%), the tumor was larger than 2 cm with the appendicular base infiltrated by malignant cells. Most patients (83%) presented with stage I tumors. In 23 patients (77%), the appendectomy was considered sufficient and definitive treatment. Conclusions: In this series of patients, appendicular tumors had similar characteristics to those reported abroad. All patients had a favorable evolution without associated mortality or tumor relapse.

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Section: Tumores Malignos Del Apéndice Cecal En Pacientes Operados Pounclassified

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Tumores malignos del apéndice cecal en pacientes operados por apendicitis en la IV Región de Chile

et al. 2013

Rev Chil Cir

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“…Adenocarcinoma of the appendix is considered one of the most frequently perforating carcinoma of the entire gastrointestinal tract [12]. Nevertheless, during clinical assessment malignancy is suspected very rarely [13]. The incidence of psoas abscess due to the perforation of the appendix is unknown.…”

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confidence: 99%

Thigh abscess as an extension of psoas abscess: the first manifestation of perforated appendiceal adenocarcinoma: case report

Petrović

Pećin

Prutki

et al. 2014

Wien Klin Wochenschr

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A 65 year-old female presented with a painful, swollen, red right thigh and the mild pain in the right abdomen without nausea, vomiting or diarrhoea that lasted for one week. Laboratory findings revealed elevated inflammatory markers. Computed tomography of the right thigh, abdomen and pelvis showed an abscess formation in the adductor muscles draining from the abscess that completely occupied the right retroperitoneum up to the diaphragm, dissecting downward through the inguinal canal. Appendix was enlarged with an appendicolith. Emergent exploratory laparotomy revealed a perforated appendix with psoas abscess. Pathohistological diagnosis revealed adenocarcinoma of the appendix. Thigh abscess is an uncommon condition with insidious clinical presentation. Therefore, early recognition and setting of the correct diagnosis enables adequate treatment avoiding additional complications and in some cases potential life-threatening conditions. When upper leg abscess is suspected or proven abdominal examination is mandatory.

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“…Las neoplasias malignas del apéndice cecal corresponden a una patología extremadamente infrecuente, representando un 0,2% a 0,5% de todos los tumores de origen gastrointestinal y un 0,9% a 1,4% de las apendicetomías debido a un cuadro apendicular agudo [3][4][5][6][7] .…”

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Neoplasias Malignas Primarias Del Apéndice Cecal: Estudio Comparativo Entre 2 Hospitales Regionales

et al. 2014

Rev Chil Cir

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Primary malignant tumors of appendixBackground: Primary malignant tumors of appendix are uncommon and usually found during the pathological examination of surgical pieces of appendectomies. aim: To report the clinical and pathological features of appendiceal malignant tumors. material and methods: Review of medical and pathological reports of patients subjected to an appendectomy between 1998 and 2006 in two regional hospitals. results: Fifteen appendiceal malignant tumors in 2,687 pathological studies were detected (0.55% of all studies) in one hospital. In the other 10 tumors were detected in 4,939 studies (0.2%). nine bearers of tumors were male. In each hospital 93 and 80% of patients had an acute appendicitis, respectively. The pathology report informed a neuroendocrine tumor in 87 and 70% of patients of each hospital, respectively, followed by non-Hodgkin lymphoma and adenocarcinoma. In nine patients a staging study was performed. Four patients died during follow up, one of them due to tumor disseminations. conclusions: Although appendiceal tumors appear in only 0.3% of all appendectomies, the pathological study of the excised appendix is fundamental for the diagnosis.

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A retrospective clinicopathological analysis of appendiceal tumors from 3,744 appendectomies: a single-institution study

Abstract: Most appendiceal tumors presented with appendicitis and periappendiceal abscess. Appendiceal tumors should be included in the differential diagnosis when an unexpected appendiceal mass is encountered during appendectomy.

Cited by 32 publications

References 15 publications

Tumores malignos del apéndice cecal en pacientes operados por apendicitis en la IV Región de Chile

Tumores malignos del apéndice cecal en pacientes operados por apendicitis en la IV Región de Chile

Thigh abscess as an extension of psoas abscess: the first manifestation of perforated appendiceal adenocarcinoma: case report

Neoplasias Malignas Primarias Del Apéndice Cecal: Estudio Comparativo Entre 2 Hospitales Regionales

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