Objective To evaluate the level of agreement in the prenatal magnetic resonance imaging (MRI) assessment of the presence and severity of placenta accreta spectrum (PAS) disorders between examiners with expertise in the diagnosis and management of these conditions. Methods This was a secondary analysis of a prospective study including women with placenta previa or low‐lying placenta and at least one prior Cesarean delivery or uterine surgery, who underwent MRI assessment at a regional referral center for PAS disorders in Italy, between 2007 and 2017. The MRI scans were retrieved from the hospital electronic database and assessed by four examiners, who are considered to be experts in the diagnosis and surgical management of PAS disorders. The examiners were blinded to the ultrasound diagnosis, histopathological findings and clinical data of the patients. Each examiner was asked to assess 20 features on the MRI scans, including the presence, depth and topography of placental invasion. Depth of invasion was defined as the degree of adhesion and invasion of the placenta into the myometrium and uterine serosa (placenta accreta, increta or percreta) and the histopathological examination of the removed uterus was considered the reference standard. Topography of the placental invasion was defined as the site of placental invasion within the uterus in relation to the posterior bladder wall (posterior upper bladder wall and uterine body, posterior lower bladder wall and lower uterine segment and cervix or no visible bladder invasion) and the site of invasion at surgery was considered the reference standard. The degree of interrater agreement (IRA) was evaluated by calculating both the percentage of observed agreement among raters and the Fleiss kappa (κ) value. Results Forty‐six women were included in the study. The median gestational age at MRI was 33.8 (interquartile range, 33.1–34.0) weeks. A final diagnosis of placenta accreta, increta and percreta was made in 15.2%, 17.4% and 50.0% patients, respectively. There was excellent agreement between the four examiners in the assessment of the overall presence of a PAS disorder (IRA, 92.1% (95% CI, 86.8–94.0%); κ, 0.90 (95% CI, 0.89–1.00)). However, there was significant heterogeneity in IRA when assessing the different MRI signs suggestive of a PAS disorder. There was excellent agreement between the examiners in the identification of the depth of placental invasion on MRI (IRA, 98.9% (95% CI, 96.8–100.0%); κ, 0.95 (95% CI, 0.89–1.00)). However, agreement in assessing the topography of placental invasion was only moderate (IRA, 72.8% (95% CI, 72.7–72.9%); κ, 0.56 (95% CI, 0.54–0.66)). More importantly, when assessing parametrial invasion, which is one of the most significant prognostic factors in women affected by PAS, the agreement was substantial and moderate in judging the presence of invasion in the coronal (IRA, 86.6% (95% CI, 86.5–86.7%); κ, 0.69 (95% CI, 0.59–0.71)) and axial (IRA, 78.6% (95% CI, 78.5–78.7%); κ, 0.56 (95% CI, 0.33–0.60)) planes, respectively. L...
Echinococcosis is a parasitic disease that usually involves lungs and liver. Occasionally, it localizes in the heart (less than 2% of cases). We present a case of an adult patient with cardiac echinococcosis complicated by ventricular tachycardia. The diagnosis, based on transthoracic two-dimensional echocardiography, magnetic resonance imaging (MRI), and computerized tomography (CT), was confirmed by surgery.
Objective Subcutaneous fat necrosis (SCFN) is a rare condition that may occur in the neonatal period. SCFN is an inflammatory disorder of the adipose tissue, usually found in full-term healthy infants who have a history of intrauterine or perinatal distress. It is usually a self-limited condition; however, in some cases, it can get complicated, leading to severe hypercalcemia that may be life-threatening. Study Design We report and describe a classic presentation of SCFN that led to severe hypercalcemia refractory to standard treatment. The diagnosis of SCFN was made based on the finding of subcutaneous nodules and of hypercalcemia. The serum calcium level reached 16.6 mg/dL. Hypercalcemia was treated first with intravenous infusions of fluids and furosemide and then of methylprednisolone. This standard treatment was not effective; therefore, we administered a single low dose of zoledronic acid, which, in turn, was efficacious in ultimately managing the hypercalcemia. Conclusion Our case shows how a single low dose of zoledronic acid was safe and effective in managing severe hypercalcemia unresponsive to conventional treatment while minimizing the risk of hypocalcemic rebounds.
Dural arteriovenous fistulas (DAVFs) occurring simultaneously at two or more separate locations are not frequent. In fact, the incidence of multiple DAVFs is 7 to 8% of all DAVFs. Patients harboring multiple DAVFs have a higher incidence of hemorrhage, venous infarction, and neurological deficits due to a greater frequency of leptomeningeal venous drainage. To the authors' knowledge only a few cases of DAVFs involving both transverse sinuses (TSs) have been reported. These patients underwent various combined treatments (transarterial embolization, transvenous obliteration, surgical isolation, resection, and radiosurgery). Treatments performed that do not include resection of the involved sinuses do not always guarantee a cure. The authors present a patient who harbored multiple DAVFs of the TSs, both distally occluded with secondary reflux into the superior sagittal sinus (SSS), the straight sinus, the deep venous system, and the leptomeningeal veins of both hemispheres. An en bloc removal of the portions including the fistulas of the TSs, the confluence of sinuses, and the distal parts of the SSS, and straight sinus allowed for the patient to be cured. The fact is emphasized that despite the progress of endovascular treatment and radiosurgery this kind of DAVF must be surgically treated. The operation may be complex and dangerous.
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