Cases reported "Rhabdomyoma"

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11/46. Paratesticular rhabdomyoma.

    A case of rhabdomyoma of the spermatic cord in an infant with cryptorchidism is reported. This extremely rare tumor has not been described in an extrascrotal position or at such a young age. Differential diagnosis includes malignant rhabdomyosarcoma. Although fetal-type rhabdomyoma of the head and neck generally is a benign tumor, the prognosis of paratesticular fetal-type rhabdomyoma is unknown. Long-term follow-up is recommended.
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keywords = neck
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12/46. Pharyngeal rhabdomyoma: a clinico-pathological study.

    adult extracardiac rhabdomyomas are rare with only 33 head and neck cases being reported in the world literature. In this select group, only nine cases have been found in the pharynx. We present two cases of pharyngeal rhabdomyoma focusing on the imaging findings, surgical approaches and more specifically on the histopathological and electron microscopic diagnosis of this interesting lesion. It is important to differentiate this tumor from other neoplasms, including granular cell myoblastoma, rhabdomyosarcomas, hamartomas, and fetal rhabdomyomas.
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13/46. Fetal rhabdomyoma in a neonate.

    rhabdomyoma is a rare benign tumour, majority arising from the cardiac muscle. Seventy to 90 percent of extra cardiac rhabdomyomas are found in the head and neck region, usually within the upper aero digestive tract. We report a case of rhabdomyoma of anterior neck in a neonate. Although rhabdomyomas of posterior neck have been reported, those reported in anterior triangle are infrequent. The lesion has not recurred one year after complete excision. There are no similar reports in Indian literature.
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keywords = neck
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14/46. rhabdomyoma of the head and neck demonstrated by prenatal magnetic resonance imaging.

    A case of fetal rhabdomyoma (myxoid type) of the head and neck demonstrated on prenatal magnetic resonance imaging (MRI) is presented. This benign tumor of skeletal muscle is uncommon and should not be confused with its malignant counterpart-rhabdomyosarcoma. With the increasing use of ultrafast MRI, the radiologist is more likely to encounter head and neck masses in the fetus.
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ranking = 6
keywords = neck
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15/46. Cervical adult rhabdomyoma presenting as a rapidly growing mass in a patient with diffuse large B-cell non-Hodgkin's lymphoma.

    BACKGROUND: adult rhabdomyoma is a rare mesenchymal tumor, which generally grows slowly and is mainly localized in the head and neck area. PATIENT AND methods: We report the extraordinary case of a rapidly growing adult rhabdomyoma in a 73-year-old man. The patient was treated for diffuse large B-cell non-Hodgkin's lymphoma with CHOP therapy (doxorubicin, cyclophosphamide, vincristine, and prednisone). Comparison of the respective computed tomography scans showed prominent enlargement of 35% in the tumor mass volume on the right side of the neck within 3 months. The tumor was highly suspicious for lymphoma. Surgical resection was performed. RESULTS: Histological examination revealed a tumor which was composed of tightly packed polygonal cells with a PAS-positive granular or vacuolated cytoplasm, occasionally with cross-striations. Immunohistochemically, the cells were positive for desmin, myogenin, Myo-D1, but negative for S-100. Due to these characteristic morphologies, adult rhabdomyoma was diagnosed.Conclusion: This is the first report on an adult rhabdomyoma with a proven rapid enlargement. The possible pathomechanisms are discussed.
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keywords = neck
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16/46. Multifocal adult rhabdomyoma: a case report and literature review.

    adult extracardiac rhabdomyoma is an uncommon primary tumor of striated muscle origin that almost exclusively presents in the head and neck region. The occurrence of multifocality is a rare manifestation of this unusual lesion. In this study, we report a rare case of multifocal adult extracardiac rhabdomyoma in a patient presenting with an asymptomatic neck mass and provide a brief review of the literature on this entity.
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ranking = 2
keywords = neck
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17/46. Multifocal adult rhabdomyoma of the head and neck: a case report and literature review.

    adult extracardiac rhabdomyomas are rare benign skeletal muscle tumors that most commonly present in the head and neck region. Only a few multifocal cases have been described to date in the world literature. We hereby present an additional multifocal case, the 14th worldwide, and review the literature.
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ranking = 5
keywords = neck
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18/46. Recurrent fetal rhabdomyoma of the head and neck.

    We present a case of a congenital fetal rhabdomyoma which recurred after surgical excision. A review of the patient's chart, imaging studies, operative reports and histologic findings were conducted. A congenital fetal rhabdomyoma involving the head and neck region diagnosed prenatally by ultrasound and MRI was surgically excised without complications. The patient presented with recurrence of the tumor fourteen months after the initial surgery. This case report is supplemented with a review of the relevant literature on congenital fetal rhabdomyoma. This is the fifth documented case of recurrence of a fetal rhabdomyoma. Extracardiac rhabdomyomas are extremely rare benign tumors. Complete excision of these lesions is curative with only a handful of recurrences documented in the literature. Close follow up and a complete workup to rule out rhabdomyosarcoma is warranted in all cases of recurrence.
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ranking = 5
keywords = neck
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19/46. adult extracardiac rhabdomyoma: light and immunohistochemical studies of two cases in the parapharyngeal space.

    BACKGROUND: We present two cases of adult rhabdomyoma in the parapharyngeal space. They are rare benign tumors with a characteristic histologic appearance. methods: The tumors were studied by light and immunohistochemical analysis using stains characteristic of striated muscle fibers. RESULTS: Cross-striation was demonstrated by phosphotungstic acid hematoxylin (PTAH), muscle specific actin, desmin, and myoglobin while dystrophin was expressed in the cell membranes. Clonal origin was confirmed by expression of myosin heavy chain-fast only. Expression of myosin-neonatal and myogenin proved slight proliferation with incipient differentiation in an otherwise mature tumor. CONCLUSION: The head and neck area harbors 90% of adult rhabdomyomas and should be considered in a differential diagnosis in this region. immunohistochemistry confirms that the tumors are almost totally mature neoplasms of clonal origin.
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keywords = neck
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20/46. Mediastinal rhabdomyoma: case report and review of the literature.

    Rhabdomyomas are benign tumors in which at least some cells are differentiated as skeletal muscle cells with cytoplasmic cross-striations. Extracardiac adult rhabdomyoma is an extremely uncommon benign neoplasm that usually involves the head and neck region. Rare cases have been reported to involve other sites of the body including mediastinum. We report the fourth case of mediastinal adult rhabdomyoma.
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keywords = neck
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