Lower Gastrointestinal Bleeding Secondary to Appendiceal Mucinous Neoplasm: A Report of Two Cases and a Review of the Literature.

Appendicular mucinous neoplasms, constituting less than 1% of gastrointestinal tract neoplasms, are heterogeneous entities. They may be asymptomatic, discovered incidentally, or present as large tumors due to mucin accumulation. The lack of standardized treatment complicates management.

Emergency surgical treatment for active bleeding and anemia in patients with hemorrhoidal disease.

Introduction: The purpose of the study is to describe the clinical and surgical characteristics of patients with hemorrhoidal disease (HD), anemia, and active bleeding in need of urgent surgery.

Methods: It is a descriptive, retrospective study of 510 patients between 2015 and 2019. Male and female patients diagnosed with HD.

The Age-AST-D Dimer (AAD) Regression Model Predicts Severe COVID-19 Disease.

Aim: Coronavirus disease (COVID-19) ranges from mild clinical phenotypes to life-threatening conditions like severe acute respiratory syndrome (SARS). It has been suggested that early liver injury in these patients could be a risk factor for poor outcome. We aimed to identify early biochemical predictive factors related to severe disease development with intensive care requirements in patients with COVID-19.

Ulcerative colitis: epidemiology, clinical features and associated factors with surgical treatment in a tertiary hospital in Mexico.

Background: An increase incidence of ulcerative colitis (UC) has been reported in Mexico. It is important to know the clinical features of patients with UC, their clinical course, need for surgical treatment and outcomes.

Objective: To describe the demographic and clinical features of patients with UC, emphasizing the factors associated with the need for surgical treatment.

Synchronous Resection of Colon Adenocarcinoma and Bisegmentectomy of Liver Metastases.

Colorectal cancer is one of the main neoplasms worldwide; at the time of diagnosis about 25% of cases already have an advanced stage with the presence of metastases. A 58-year-old female presented with nausea, vomiting, and black stools and diffuse abdominal pain associated with 7% weight loss. She was referred to our hospital with signs of digestive tract bleeding and anemic syndrome.

Quality of life in ostomized patients.

Background: Ostomized patients usually have some concerns such as absence of sphincter control, noisy bowel movements, changes in passage of gas, social discomfort due to odors, concerns about bag filling, peristomal and skin irritation as well as psychological changes such as body image distortion, among others, that will determine quality of life. We undertook this study to measure quality of life in ostomized patients attending the Coloproctology Unit in Hospital General de México.

Methods: We carried out a cross-sectional descriptive study from January 1, 2009 to May 29, 2009 in ostomized patients.

[Complex anal fistula treated with cutting seton].

Background: Anorectal sepsis is a frequent condition presenting in the office of colorectal specialists. The acute phase presents as an abscess and the chronic phase as a fistula. We undertook this study to report the experience of the Coloproctology Unit of the General Hospital of Mexico in the management of complex anal fistula with cutting seton.

[Incidence, diagnosis and treatment of colovesical fistula].

Background: Enterovesical fistula, also known as vesicoenteric fistula, is an abnormal communication of the vesical bladder with a segment of the digestive tract. We undertook this study to describe diagnostic and therapeutic methods to treat colovesical fistula (CVF) in patients who attended the Coloproctology Unit of the Gastroenterology Service of the General Hospital in Mexico City.

Methods: This is a descriptive study in CVF patients carried out from January 2001 to June 2006; descriptive statistics were used for analysis of information.

[Results and analysis of Ferguson-type hemorrhoidectomy].

Background: We undertook this study to demonstrate the experience with Ferguson hemorrhoidectomy in the Coloproctology Unit in the Gastroenterology Service of the General Hospital in Mexico City.

Methods: A prospective, descriptive and observational study was designed and included patients with hemorrhoidal disease submitted to hemorrhoidectomy with Ferguson technique, from May 1999 to April 2004. Preoperative data included in the patient's chart was as follows: sex, age, time of evolution of symptoms, classification of hemorrhoids, associated disease, operative duration, immediate and late surgical complications and their management and healing duration.

[Hidradenitis suppurativa].

Background: Hidradenitis suppurativa is an inflammatory, chronic and recurrent disease of appocrine glands, located in inguinal, axillar, perineal, perianal areas and scalp.

Objective: To determine the frequency and therapeutic management.

Methods: A retrospective, transverse, and descriptive study was carried out.