We reviewed the reported imaging findings of myocarditis in the literature following COVID-19 vaccination on cardiac imaging by a literature search in online databases, including Scopus, Medline (PubMed), Web of Science, Embase (Elsevier), and Google Scholar. In total, 532 cases of myocarditis after COVID-19 vaccination were reported (462, 86.8% men and 70, 13.2% women, age range 12 to 80) with the following distribution: Pfizer-BioNTech: 367 (69%), Moderna: 137 (25.8%), AstraZeneca: 12 (2.3%), Janssen/Johnson & Johnson: 6 (1.1%), COVAXIN: 1 (0.1%), and unknown mRNA vaccine: 9 (1.7%). The distribution of patients receiving vaccine dosage was investigated. On cardiac MR Imaging, late intravenous gadolinium enhancement (LGE) was observed mainly in the epicardial/subepicardial segments (90.8%, 318 of 350 enhancing segments), with the dominance of inferolateral segment and inferior walls. Pericardial effusion was reported in 13.1% of cases. The vast majority of patients (94%, 500 of 532) were discharged from the hospital except for 4 (0.7%) cases. Post-COVID-19 myocarditis was most commonly reported in symptomatic men after the second or third dose, with CMRI findings including LGE in 90.8% of inferior and inferolateral epicardial/subepicardial segments. Most cases were self-limited.

Objectives: To statistically study the incidence of endometrioma and deep infiltrating endometriosis (DIE) in various anatomical sites and to illustrate the significance and potential implications for each site. Furthermore, to improve the knowledge of the community for a non-invasive diagnosis alternative to laparoscopy. Methods: This study includes 2040 patients who had been referred with clinical evidence of pelvic endometriosis. These patients had been examined and undergone transvaginal sonography by the referring gynecologists. The imaging modality used to discover and locate various anatomical locations of involvement was MRI with contrast. Two radiologists with expertise in endometriosis separately assessed the patients' MRIs and highlighted the involved areas. Results: In total, 79.1% were positive for either endometrioma or DIE. We detected both DIE and ovarian endometrioma in 78.2% of positive cases. Isolated endometrioma or DIE was present exclusively in 13.7% and 8.1% of patients, respectively. Uterosacral ligaments were detected as the most common (73.8%) site of DIE involvements and in 2.9% of cases were the sole affected location. Interestingly, very rare independent involvement of the genitourinary tract was seen in two patients. Conclusions: In this study, MRI was used to assess the likely involvement sites of endometrioma and DIE, as well as the frequency of incidences in various places and their relationships over a large dataset. Understanding the possibly involved sites, their statistics, and their co-existence can provide radiologists with a roadmap for non-invasive endometriosis diagnosis and treatment planning. These principles should hopefully assist reduce under- and overdiagnosis.

Uterine cavity-myoma fistula is a rare entity which has scarcely been reported in the literature. They are mainly secondary to a treatment and intervention. The reported options for patient evaluation and treatment are mainly invasive such as hysteroscopy. The case, described here, is a 26-year-old woman who had significant symptoms for myoma and went through uterine artery embolization. After few months of being asymptomatic, she complained of continuous spotting with minimal pain; subsequently, pelvic MRI was performed and a clear connection between endometrial cavity and myoma was shown resulting in the final treatment by radio-frequency ablation and the complete relief of the symptoms. The case highlights the importance of the necessity of the proper case selection in terms of size and the site of myoma and also the significance of imaging, mainly MRI, for rare complications corresponding to myoma treatments.

Venous aneurysms and pseudoaneurysms are rare entities; portal system aneurysms are shown as focal dilatations of the portal venous system. Superior mesenteric vein aneurysms are extremely rare. We describe a case of superior mesenteric vein aneurysm in an asymptomatic 73-year-old female. Although one cause of portal system aneurysm is portal hypertension, in this rare case no underlying cause was noted. Aneurysms of portal system are very rare entities. Although their cause is uncertain, portal hypertension should be suspected in the evaluation of portal aneurysms. Superior mesenteric vein aneurysms are rare. Most of them are asymptomatic and the diagnosis is confirmed by radiologic findings. Diagnosis in other cases is established after complications develop. According to the information in literature, portal system aneurysm is not as rare as previously presumed. As one of the important causes of portal aneurysm is portal hypertension and because portal system aneurysms can cause portal hypertension when thrombosis occur, evaluation of its presence has clinical significance in patients with portal hypertension.