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Background: Allied disorders of Hirschsprung's disease (ADHD) exhibit symptoms akin to those of Hirschsprung's disease, primarily characterized by intestinal obstruction, bowel dilatation, and chronic constipation. The occurrence of amyloid complications in patients with ADHD is infrequent. In this report, we present a case of ADHD with intestinal ulcers as the initial gastrointestinal manifestation, and subsequent pathological examination revealed the presence of amyloid deposits in the colonic mucosa., Case Report: A male patient, aged 20, exhibited recurring abdominal distension and intestinal obstruction for a duration of three years. Multiple colonoscopies revealed the presence of recurrent colonic ulcers, with pathological examination indicating the existence of amyloid deposits within the mucosal layer of the colon. Abdominal CT scans suggested colonic dilatation. Following a multidisciplinary consultation, a subtotal resection of the colon was performed, and subsequent postoperative pathology confirmed a decrease and absence of myenteric plexus ganglion cells. Considering the patient's symptoms and the findings from the postoperative pathology, a diagnosis of ADHD was made. The patient's symptoms resolved postoperatively and he was discharged from the hospital and followed up for 1 year in stable condition., Conclusion: Our study highlights the potential association between ADHD and the initial presentation of recurrent colonic ulcers, accompanied by amyloid deposition in the intestinal mucosa. This finding suggests a possible pathogenic mechanism for ADHD and offers a novel perspective on its diagnosis., Competing Interests: The authors declare that there is no competing interest to report for this work., (© 2024 Hu et al.)

Background: Ischemic colitis (IC) is also known as colon ischemia and is caused by colon vascular occlusion or nonocclusion, which results in a reduced blood supply to the colon and is not significant enough to maintain the metabolic function of cells, leading to intestinal wall ischemia. Its main symptoms include abdominal pain, diarrhea, and bloody stool. In severe cases, intestinal gangrene, peritonitis, intestinal stenosis and even intestinal obstruction may occur. IC induced by long-term use of certain special drugs is relatively rare in clinical practice. This article describes the clinical diagnosis and treatment of a typical case and provides a new treatment idea for the treatment of IC., Case Summary: The patient was admitted to the hospital with "abdominal pain for half a month and bloody stool with mucous and pus for 3 d" and was diagnosed with "IC". Symptomatic and supportive treatment, such as antibiotics (levofloxacin), acid inhibition and stomach protection, fluid replenishment, and intravenous nutrition, was given. The patient's colonic ulcers were considered to be related to the oral administration of platelet (PLT)-raising capsules; the patient was asked to stop PLT-raising drugs for selective review via colonoscopy, and antibiotics and mesalazine enteric-coated tablets were stopped. Under the guidance of hematology consultation, 60 mg of methylprednisolone was given in combination with PLT infusion to increase the PLT. After treatment, the patient's condition stabilized, the patient's stool turned yellow, the patient's symptoms improved, and the patient was allowed to leave the hospital., Conclusion: PLT-raising capsules can lead to IC, so clinicians should have a full understanding of the application of these drugs in the treatment of various causes of thrombocytopenia, weigh the advantages and disadvantages, and observe patients closely., Competing Interests: Conflict-of-interest statement: The authors declare that they have no conflict of interest., (©The Author(s) 2024. Published by Baishideng Publishing Group Inc. All rights reserved.)

Background: Amyloidosis, an systemic disorder featuring an accumulation of misfolded proteins, is a significant diagnostic challenge because of its broad range of symptoms. The symptoms of amyloidosis vary depending on the affected organs. Amyloid accumulation in the kidney generally manifests as proteinuria or impaired kidney function, whereas cases with gastrointestinal (GI) involvement present as abdominal pain, weight loss, or GI bleeding., Case Description: We report a case of systemic immunoglobulin light chain (AL) amyloidosis involving the colon and kidney in a 75‑year‑old female who presented with intermittent lower abdominal pain and hematochezia. A colonoscopy revealed multiple ulcerations and a submucosal hematoma with κ light chain deposition confirmed by biopsy. The patient had many comorbidities, including renal tuberculosis, chronic kidney disease, diabetes, coronary heart disease (CHD), and paroxysmal atrial fibrillation, which rendered her clinical manifestations confusing. Her condition was relatively stable during treatment with bortezomib and dexamethasone for 4 cycles., Conclusions: Systemic amyloidosis usually has a poor prognosis since most cases are detected in the late disease phase. Early disease detection depends on a comprehensive understanding of the disease and a keen recognition of the lesion. We suggest that in patients with hematochezia, colonic ulcer, and submucosa hematoma, amyloidosis with colonic involvement should be considered when other diseases are excluded.