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Small bowel adenocarcinoma is a rare tumor accounting for only 0.3-0.4% of all gastrointestinal tumors, with duodenal adenocarcinoma being the most common subtype. In most patients, it presents with nonspecific signs and symptoms, often leading to a delay in diagnosis. Therefore, it is essential to establish an adequate initial clinical suspicion to carry out an adequate diagnostic approach, being necessary to perform both radiological and endoscopic diagnostic techniques.

We present the case of a 35-year-old female with a history of polycystic ovary syndrome, treated with oral contraceptives. She was under study due to nine months evolution of pain in the right iliac fossa, associated with hyporexia and mild hyperbilirubinemia with a predominance of the conjugated fraction (total Bi 3.7 mg/dl, conjugated Bi 2.9 mg/dl). An abdominal computed tomography (CT) was performed showing homogeneous hepatosplenomegaly and adenopathies in both iliac chains, the largest in the right external iliac chain of 1.6 x 3.6 cm.

We read with great interest the paper by Albuquerque et al. entitled "Predictive factors of small bowel patency in Crohn's disease patients". Despite being a safe procedure, capsule endoscopy (CE) retention is a complication that should be kept in mind, especially in Crohn's disease (CD) patients. However, the risk of CE retention can be minimized using the patency capsule (PC). Although some clinical trials confirm its effectiveness, its use in daily practice has been poorly investigated. Albuquerque et al. report a PC negative predictive value (NPV) of 100% in this setting.

Lichen planus (LP) is an idiopatic inflammatory disorder of mucocutaneous tissue, most frequently involving the skin or oral cavity, and rarely the esophagus, resulting in symptomatic dysphagia. Esophageal lichen planus most commonly presents in middle-aged women and the endoscopic finding are not specific; erosions, exudates, pseudomembranes and even stenosis can be found. Treatment generally starts with oral glucocorticoid. The risk of malignant transformation justifies endoscopic follow-up.

We read with great interest the paper by Albuquerque et al. entitled "Predictive factors of small bowel patency in Crohn's disease patients". Despite being a safe procedure, capsule endoscopy (CE) retention is a complication that should be kept in mind, especially in Crohn's disease (CD) patients. However, the risk of CE retention can be minimized using the patency capsule (PC). Although some clinical trials confirm its effectiveness, its use in daily practice has been poorly investigated. Albuquerque et al. report a PC negative predictive value (NPV) of 100% in this setting.