Publications by authors named "Alex Guachilema Ribadeneira"

Mesenteric fibromatosis is a rare tumor that grows slowly and asymptomatically and is more frequent among men. The risk factors described in the literature may not be present in all cases. The clinical presentation is variable and depends on the localization of the tumor and the involvement of surrounding structures.

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Intussusception is a rare condition in adults that can lead to intestinal obstruction due to malignant or benign lesions in the wall of the colon. Among the benign causes, lipomas are adipose tissue tumors that are most frequently located in the ascending colon. Invagination is characterized by nonspecific symptoms and normal laboratory test results.

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Papillary thyroid cancer (TC) is the most common TC subtype with a global incidence of 80-90% and an annual rate of increase of 5% in the last ten years. Papillary TC has the peculiar tendency to spread to the central and lateral lymph nodes (LNs) of the neck, and recurrence occurs in 60-75% of cases. The most affected site is the central compartment.

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The lymphangioma is a benign neoplasm, mostly connate, it occurs more often in children. It is more frequently located in the head-neck region, as well as in the armpit, and less frequently in the abdomen. The diagnosis, as well as their appearance is variant, they can be asymptomatic depending on the size.

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