医学影像学：腹部1-食管与胃肠道.pptVIP

A laparotomy, drainage and excision of an intra-abdominal abscess, as well as an appendectomy and removal of the foreign body, were performed. The appendix was 4.3 cm, and a metallic pin was found piercing the bowel wall (see Image 4). The histology revealed acute serositis with fibrinopurulent exudates in the lumen and on the serosal surface of the appendix. 结肠癌的CT表现 1.不规则形软组织肿块 2.管壁不规则增厚 3.管腔狭窄，僵硬 结肠癌的CT表现 4.肿块近端肠管扩张 结肠癌的CT表现 5.盆腔内淋巴结转移 结肠癌的CT表现---仿真内窥镜 常见疾病X线表现与诊断 六、肠结核： 好发于回盲部和升结肠。 病理上分为溃疡型和增殖型。 临床表现：慢性起病，长期低热，有腹痛，腹泻，消瘦，乏力等。增殖型肠结核在右下腹可扪及肿块。 肠结核 X线表现： 1.溃疡型： 肠管痉挛收缩，有激惹征象，形成 “跳跃征”，粘膜皱襞紊乱。 肠结核 2.增殖型： 为肠管管腔变形，缩小，盲肠和升结肠的狭窄缩短和僵直，粘膜皱襞紊乱消失。 Case A Toddler With Fever and Abdominal Tenderness BACKGROUND A 14-month-old boy is brought to the emergency department (ED) by his parents for an evaluation of persistent fever, vomiting, and diarrhea that has lasted for 3 days. The mother states that the child was examined by his pediatrician 2 days before this presentation for a “viral illness“; however, the child has appeared increasingly ill since then. He has become irritable, and he has been minimally active and feeding poorly. He has had a normal stool output and appearance, as well as normal urination frequency. The parents deny observing a runny nose or any coughing, wheezing, or stridor in the patient. The child lives at home with his parents, he is not in day care, and he has had no contact with people who are sick. On physical examination, the boy is crying, fussy, and poorly consoled. His vital signs include a rectal temperature of 101°F (38.33°C), a respiratory rate of 32 breaths/min, a blood pressure of 98/56 mm Hg, and a heart rate of 168 bpm. His oxygen saturation is 100% while he is breathing room air. The patient’s weight is 22 lb (10 kg). Palpation reveals diffuse abdominal tenderness without rigidity or guarding. The patient has diffusely hypoactive bowel sounds. His stool is negative for occult blood. The rest of the physical f