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Colonic Intramural Hematoma in a Cat: A Case Report.

ABSTRACT: Colonic intramural hematoma is a rare condition in humans and companion animals. Its clinical presentation in cats has not previously been reported. An 8-year-old male American shorthair cat presented with acute onset of constipation and anorexia for 3 days. Laboratory examination indicated mild elevation of alanine aminotransferase, globulin, and total protein levels. Complete blood count was normal. Radiographs revealed a soft tissue opacity mass located caudodorsally to the urinary bladder, causing narrowing of the descending colonic lumen. Sonography showed a heteroechogenic intraluminal mass containing liquefied content between the submucosal and muscular layers of the descending colon. On computed tomographic images, the mass contained two different attenuated contents with an interface. Colonoscopy was then performed for intestinal biopsy, and the contents observed in the intraluminal mass were drained via surgical evacuation and considered as blood clots. Supportive medical treatment, including antibiotics and fecal softener, was administered, and the clinical signs resolved uneventfully. Mild chronic proctitis without apparent malignancy was confirmed histopathologically, and no recurrence was observed after more than 14 months, and thus a colonic intramural hematoma was presumptively diagnosed. The information provided by multimodal imaging of the mass was essential for the diagnosis and determination of the treatment in this case.

SUBMITTER: Hsu TC

PROVIDER: S-EPMC9247579 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Gastric intramural hematoma subsequent to thoracic aortic dissection: Case report and literature review.

Project description:IntroductionIntramural hematomas of the gastrointestinal tract are uncommom, usually located in the esophagus or duodenum, with idiophatic or secondary causes. We present a very rare case of gastric intramural hematoma caused by an unpublished etiology, with literature review.Case presentationAn elderly woman suffered acute thoracic aorta dissection followed by gastric intramural hematoma, diagnosed through endoscopy and computed tomography angiography. The treatment included endovascular aortic repair and conservative management.DiscussionThe postulated mechanism for the bleeding in gastric intramural hematoma is shredding of terminal arteries at the point of penetration into the muscular layer with subsequent dissection of the muscularis propria from the submucosa. The most frequently cited risk factor is hemorrhagic diathesis/anticoagulant use and the main etiologies are trauma and post-interventional endoscopy. In the diagnosis work-up, computed tomography is the method of choice, usually associated with endoscopy. There is no standard of care for such rare condition. Thus, treatment may be cause-dependent, ranging from conservative to minimally invasive and/or surgery.ConclusionsGastric intramural hematoma is a rare disorder with many causes and we described a new etiology for it. The computed tomography is the diagnostic modality of choice, with the aid of other examinations. The treatment comprises conservative measures, minimally invasive approach or most commonly surgery.

| S-EPMC6197733 | biostudies-literature

Iatrogenic Acute Ascending Aortic Dissection with Intramural Hematoma during Coronary Artery Stenting: A Case Report.

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| S-EPMC5290308 | biostudies-literature

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| S-EPMC3082235 | biostudies-literature

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| S-EPMC8528674 | biostudies-literature

Aortic luminal thrombus and intramural hematoma after cardiopulmonary resuscitation.

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| S-EPMC4031879 | biostudies-other

Post-traumatic hematoma of the epididymis: Case-report.

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| S-EPMC3558063 | biostudies-literature

Cervical Ligamentum Flavum Hematoma: A Case Report.

Project description:Study Design Case report. Objective To report the first case of ligamentum flavum hematoma after cervical spine instrumentation 11 years after the index surgery. Methods After performing bilateral C3 and C4 laminectomy, we observed a dark greenish discoloration over the ligamentum flavum, which was opened. We evacuated 15 mL of subacute hematoma. Results The first ligamentum flavum hematoma of the cervical spine that occurred after spinal instrumentation with sublaminar hooks. Conclusion Ligamentum flavum hematoma might happen even after a long delay (in our case, 11 years) from spinal instrumentation (sublaminar hooks). In symptomatic patients, evacuation is the treatment of choice. In cases of instrument adhesion to the surrounding intracanal tissues, removal should be done meticulously after performing a complete release.

| S-EPMC4733368 | biostudies-other

Left atrial intramural haematoma: a fatal complication of cardiac amyloidosis-a case report.

Project description:BackgroundSpontaneous left atrial intramural hematoma (LAIH) is extremely rare and there are only two cases of spontaneous LAIH involving cardiac amyloidosis (CA) reported in literature. In both cases, LAIH rapidly compromised hemodynamic stability proving to be a rare yet fatal complication.Case summaryAn 83-year-old man presented with cardiogenic shock. Electrocardiogram showed complete atrioventricular block, and echocardiogram revealed severe hypokinesis and left ventricular hypertrophy. Coronary angiography revealed no significant coronary stenosis and tissue biopsy was taken from the left ventricle. The patient was intubated, placed on extracorporeal membrane oxygenation with intra-aortic balloon pump and temporary pacemaker, and admitted to ICU. Day 6 of admission, he became hemodynamically unstable, and presented with atrial fibrillation. Transesophageal echocardiography showed a newly formed large mass in the left atrium. Day 11 of admission, the patient passed away. Autopsy revealed cardiac amyloidosis and showed the mass to be a left atrial intramural hematoma. Diffuse amyloid deposits were found in the myocardium as well as the blood vessel walls of the region surrounding the LAIH.ConclusionLAIH is a rare yet fatal complication of CA. Autopsy revealed diffuse amyloid deposits within the left atrium may lead to left atrial fragility and contribute to development of LAIH. LAIH should be considered as an important differential diagnosis in the setting of a rapidly growing left atrial mass, and in hemodynamic instability in patients with CA.

| S-EPMC10035636 | biostudies-literature

Aspergillus case report

Project description:Aspergillary rhinopharyngitis in an equine patient

| PRJEB46193 | ENA

Cardiovascular morbidity and mortality after aortic dissection, intramural hematoma, and penetrating aortic ulcer.

Project description:ObjectiveThe nonaortic cardiovascular morbidity and mortality of patients with aortic dissection (AD), intramural hematoma (IMH), and penetrating aortic ulcer (PAU) is unknown. We aimed to define the rates of cardiovascular (CV) events in a cohort of patients with newly diagnosed AD, IMH, and PAU.MethodsWe performed a retrospective review of all Olmsted County, Minnesota, residents diagnosed with AD, IMH, and PAU from 1995 to 2015. The primary outcome was nonaortic CV death. The secondary outcome was a first-time nonfatal CV event (myocardial infarction, heart failure [HF], or stroke). The outcomes were compared with age- and sex-matched population referents using Cox proportional hazards regression, with adjustment for comorbidities.ResultsA total of 133 patients (77 with AD, 21 with IMH, 35 with PAU; 57% male) with a mean age of 71.8 ± 14.1 years were identified. The median follow-up was 10 years. Compared with the population referents, the patients with AD/IMH/PAU had an increased risk of CV death (adjusted hazard ratio [HR], 2.4; 95% confidence interval [CI], 1.4-4.2; P = .003) and an increased risk of any first-time nonfatal CV event (adjusted HR, 3.0; 95% CI, 1.9-4.8; P < .001), mainly resulting from an increased risk of first-time HF (adjusted HR, 2.7; 95% CI, 1.7-4.3; P < .001). When excluding events within 14 days of the diagnosis, the patients with AD/IMH/PAU remained at increased risk of CV death (adjusted HR, 2.6; 95% CI, 1.4-4.7; P = .002), any first-time nonfatal CV event (adjusted HR, 2.6; 95% CI, 1.5-4.4, P <.001), and first-time HF (adjusted HR 2.5, 95% CI 1.5-4.3; P < .001).ConclusionsCompared with the population referents, the patients with AD/IMH/PAU had a two- to threefold risk of nonaortic CV death, any first-time nonfatal CV event, and first-time HF. These data implicate the need for long-term cardiovascular management for patients with AD/IMH/PAU.

| S-EPMC7477938 | biostudies-literature

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