Rhabdomyoma (adult type) of the sublingual region.
A case of sublingual rhabdomyoma (adult type) in a 40-year-old man is reported. A review of the world literature revealed 28 acceptable previous cases.
Adult↗
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Canine laryngeal rhabdomyoma.
Three canine laryngeal tumors were diagnosed as oncocytomas by light microscopy, but were determined to be rhabdomyomas following ultrastructural and immunocytochemical examination. Tumors consisted of large eosinophilic cells interspersed with smaller dark cells. Large tumor cells had a granular, intensely eosinophilic cytoplasm. Scattered through the tumors were a few elongated cells with cytoplasmic cross striations and multiple nuclei. Tumor cells from all three dogs contained numerous mitochondria and bundles of myofibrils with electron-dense Z-lines typical of striated muscle cells. Intracellular myoglobin and desmin were detected in the tumors by immunocytochemistry. Comparisons are made with a previous report of canine laryngeal oncocytomas.
Adenoma↗
Rhabdomyoma of the pharynx.
The occurrence of a large pharyngeal rhabdomyoma in an otherwise healthy adult male is discussed in this paper. This lesion, except for local symptomatology, is established as benign. A differential diagnosis, as well as the specific surgical approach to its removal, are also presented.
Diagnosis, Differential↗
Subaortic stenosis by solitary rhabdomyoma. Successful excision in an infant following 2D echocardiogram and Doppler diagnosis.
A seven-month-old girl had subaortic stenosis caused by a single intracavitary rhabdomyoma unassociated with tuberous sclerosis. Diagnosis was formulated on the basis of two-dimensional echocardiography and Doppler technique findings alone, and surgery was successful.
Aortic Diseases↗
Ultrasonic patterns of a cardiac rhabdomyoma detected in utero.
Echography performed on a healthy woman at the 30th week of an uneventful pregnancy demonstrated the presence of an intracardiac tumor protruding into the left ventricular cavity. In the early neonatal period a cardiovascular surgeon removed the mass which proved to be a rhabdomyoma. The authors stress the importance of these echographic findings in formulating plans for the management of pregnancy, delivery and proper therapeutic intervention.
Adult↗
Cardiac rhabdomyoma in a newborn two-dimensional echocardiographic diagnosis.
Primary cardiac tumors are quite rare in the newborn period. Prior to surgery, cardiac catheterization and angiocardiography have been performed to confirm the two-dimensional echocardiographic findings. In this report a 2-day-old baby with the clinical impression of severe cyanotic congenital heart disease diagnosed by two-dimensional echocardiography as multiple rhabdomyoma and confirmed by surgery is presented. It is emphasized that two-dimensional echocardiography is a very useful technique for the diagnosis of primary cardiac tumors. By means of this method severely symptomatic newborns may be taken directly to surgery without prior cardiac catheterization, thus minimizing complications.
Echocardiography↗
Neonatal tuberous sclerosis with cardiac rhabdomyomas presenting as fetal supraventricular tachycardia.
A case of fetal tuberous sclerosis with multiple intracardiac rhabdomyomas exhibited persistent supraventricular tachycardia. The tachycardia was terminated by the use of cardiac version. The largest tumor almost occluded the right ventricular inlet portion. The obstruction was relieved after surgical removal of the largest tumor. No arrhythmia was noted after 3 months of follow-up.
Adult↗
Benign vaginal rhabdomyoma.
A case of benign polypoid vaginal rhabdomyoma occurring in a 52-year-old female is described. The characteristic histological features were interlacing bands of striated muscle cells with prominent cross and longitudinal striations, with surrounding loose collagenous stroma, within which were many dilated vascular spaces. Electron microscopy confirmed the striated muscle origin of these cells. The pathogenesis is possibly a localized area of abnormal mesenchymal differentiation.
Female↗
Rhabdomyoma of the heart producing right bundle branch block.
A 4-day-old female had an uneventful prenatal course and delivery. Immediate cyanosis improved with oxygen therapy. Cardiomegaly on chest radiograph, right bundle branch block on electrocardiogram, and apparent increased tricuspid valve excursion on echocardiography led to a diagnosis of Ebstein's anomaly. Death occurred unexpectedly. Autopsy demonstrated a rhabdomyoma of the interventricular septum, which had produced obstruction to right ventricular outflow and had interrupted the right bundle branch of the conducting system. It appears that the massive size of the septal tumor led to its misdiagnosis on the echocardiogram.
Bundle of His↗
Fetal rhabdomyoma of the parotid gland in an infant: histological, immunohistochemical, and ultrastructural features.
A case of fetal rhabdomyoma of the parotid gland in a 3-year-old infant is presented. The histological, ultrastructural, and immunohistochemical findings in this very uncommon benign tumor are described together with a review of the literature.
Child, Preschool↗
[Neonatal cardiac rhabdomyoma: case report and clinico-epidemiologic considerations].
Primary cardiac tumors are very infrequent at all ages; the most frequent in the pediatric age is rhabdomyoma. This tumor is associated with tuberous sclerosis in 37 to 80%, with a frequency of 1 for each 40,000 live newborns. This case is about a newborn, who in the immediate postnatal period presented pansystolic murmur, grade IV cardiomegaly, electrocardiographic changes of biventricular hypertrophy and heart failure. Echocardiogram and magnetic resonance images showed several tumors in the septum and in ventricular walls; histopathology study of the heart, confirmed the diagnosis. The diagnosis of tuberous sclerosis was made clinically (seizures, hypomelanotic macules) and with the image of parenchymal hypodense areas. In our country there is little information about both diseases, that's why we made a review of the incidence, diagnosis, prognosis and treatment.
Heart Neoplasms↗
Rhabdomyoma of the base of the tongue. A case report.
A case of rhabdomyoma in the base of the tongue that caused dysphagia and sleep apnea is presented. Diagnosis was accomplished by means of fine needle aspiration biopsy and MRI. The tumor was completely removed by a tongue midline split.
Humans↗
[Fetal rhabdomyoma of the mucosa of the lip (case report)].
In a 15-year-old male the foetal type of rhabdomyoma was diagnosed in the mucosa of the lower lip. Diagnosis of this relatively rare tumour prevents possible mistaking for a malignant process and an inadequate therapeutic procedure.
Adolescent↗
[Rhabdomyoma in the adult].
Rhabdomyoma in adults is a rare benign tumor of the skeletal muscle that usually arises in the head and neck region. We report a new case of this rare tumor located in the tongue. The treatment, evolution, and anatomo-pathologic findings are described.
Humans↗
[Laryngeal rhabdomyoma: unusual case of dysphonia. Review of the literature].
Rhabdomyomas of the larynx are extremely rare benign tumors. Only 25 have been well documented until now. These tumors display a low growing pattern. Diagnosis is based on immunocytochemical studies and electron microscopy. Three histological types are distinguished: adult, fetal and fetal myxoidal or genital. Surgery is the treatment of choice. A new case, adult type, is presented and the literature reviewed.
Aged↗
Congenital rhabdomyoma of the heart.
A case of rhabdomyoma of the heart found in a Black female infant at postmortem examination, as well as the clinical data, necropsy and histopathological findings, are presented. The characteristics of cardiac rhabdomyomata are discussed.
Autopsy↗
Cardiac rhabdomyoma in infancy. A case report.
We describe a case of rhabdomyoma of the heart in a newborn infant and present an overview of current knowledge about the natural history of these lesions, with implications for management. This is the only case of its kind seen at this hospital.
Diagnosis, Differential↗
Clinics in diagnostic imaging (78). Cardiac rhabdomyoma in tuberous sclerosis.
A seven-day-old boy with a family history of tuberous sclerosis presented with congestive heart failure. Cardiac-gated magnetic resonance (MR) imaging showed a mass in the right atrium, which was T1-isointense and T2-hyperintense relative to myocardium. Follow-up echocardiographical studies showed a decrease in the number and size of the nodules. Finally, no cardiac nodules were seen when he was two years and eleven months old. The echocardiographical studies, MR imaging findings and the clinical history are consistent with cardiac rhabdomyomas. MR imaging of the brain also showed multiple subependymal nodules, white matter abnormalities, and cortical tubers. The varied imaging appearances of tuberous sclerosis are discussed and illustrated with additional examples.
Heart Neoplasms↗