Search Results
Results 251 - 300 of 432
< 1 2 3 4 5 6 7 8 9 >
Asano S - - 2000
An intrapulmonary teratoma (IPT), multiloculated and bronchiectatic, with two polyps inside a 23-year-old man is reported. The IPT, a very rare benign cystic lesion, was communicating with segmental bronchus and was removed by a segmental resection from the upper lobe of the left lung. The teratoma contained various kinds of ...
Dry S M - - 2000
AIMS: Oral leiomyosarcoma is rare and poorly documented. We aimed to characterize these lesions clinicopathologically in order to facilitate their distinction from other spindle cell neoplasms in the oral cavity. METHODS AND RESULTS: Ten cases of oral leiomyosarcoma were retrieved and studied histologically and immunohistochemically. Clinical data were obtained from ...
Mesenas S J - - 2000
This case report describes a primary hepatic leiomyoma presenting as a mass lesion detected on ultrasonography of the abdomen in an asymptomatic hepatitis B carrier on routine surveillance. Primary leiomyomata of the liver are rare occurrences, with only 9 cases reported in the literature. The presenting features of primary hepatic ...
Jarrahy R - - 2000
Congenital teratoma of the oropharyngeal cavity is a unique clinical entity that poses immediate threats to the neonate in the postpartum period. Establishment of a secure airway is a primary goal after delivery; complete surgical resection is the subsequent guiding principle of management. Even more rare than teratomas confined to ...
Mira J L - - 2000
We describe the case of a 48-year-old quadriplegic black man with history of C4-C5 cervical spine and cord injury secondary to a fall, who presented to the University of Cincinnati Medical Center Urology Service with obstructive symptoms at urination. A bulbous urethral stricture was diagnosed and subsequently resected with primary ...
Uppot R N - - 2000
Since 1993, 14 cases of central line guide wires becoming entangled with vena cava filters have been reported. We present three additional cases and review the 14 cases in the literature. Obtaining a detailed patient history is important in identifying patients with a vena cava filter. A low threshold of ...
Lemmon G W - - 2000
Inferior vena cava filters are increasingly utilized to prevent pulmonary emboli originating from lower extremity, pelvis, or caval thromboses. Unique indications exist for filter placement in the suprarenal portion of the vena cava. The largest reported experience in suprarenal position has involved the use of the Greenfield filter. Although unique ...
Vandenhaute B - - 2000
Three cases of epignathus teratoma associated with other midline anomalies are reported. The first case involved Pierre Robin sequence and a bifid tongue. The second case was characterized by two teratomas, a meningoencephalocele, and a cleft lip and nose. The third case had Pierre Robin sequence associated with duplication of ...
Sans N - - 2000
Diffuse esophageal leiomyomatosis is a rare disorder which may be found in association with leiomyomas in other locations or with other disorders. We report two cases in men, one with associated tracheobronchial involvement, which illustrate the value of imaging in differentiating this entity from other causes of dysphagia and in ...
Kohno A - - 1999
Leiomyoma is one of the rarest solid tumours of the ovary. We report a case of a degenerated ovarian leiomyoma associated with pregnancy. MR findings are identical to those of degenerated uterine leiomyoma and it is difficult to differentiate between them. Ovarian leiomyoma should therefore be included in the differential ...
Pins M R - - 1999
BACKGROUND: Primary cardiac leiomyosarcomas are rare. Isolated reported cases and small series generally describe spindle-celled, high-grade tumors with poor short-term survival; however, the pathologic features of many of these tumors are incompletely documented. The authors report in detail the clinicopathologic features of 2 relatively low-grade epithelioid and spindle-celled primary cardiac ...
Thomas S - - 1999
Leiomyosarcoma involving the larynx is extremely rare and may be difficult to diagnose. Likewise, because of the rarity of this lesion, little information exists with regard to long-term follow-up or optimal management. Reported here is a review of the literature and a case report of a patient with leiomyosarcoma of ...
Gangadharan V P - - 1999
Primary choriocarcinoma of the ovary (PCO) is rare. This can be gestational (GCO) or nongestational (NGCO) in origin. It is difficult to differentiate between CGO and NGCO. NGCO carries a worse prognosis than GCO. We present two cases of metastatic GCO who were treated successfully with combination chemotherapy and are ...
Adad S J - - 1999
Leiomyosarcoma constitutes approximately 0.5% of the malignant neoplasias of the esophagus and its association with megaesophagus has not been described. We report on a case of a woman with dysphagia that was slowly progressive from the age of 19 due to chagasic megaesophagus. The woman was subjected to cardiomyotomy at ...
Di Mario M - - 1999
We report a case of sacro-coccygeal teratoma (ScT) in a 29 years old primigravida at 19 weeks of gestation. Ultrasonographic evaluation in antenatal management of these abnormalities is discussed. The main sonographic criteria appear to be two: dimension and rapid growth of the tumour. Cariotype must be performed to exclude ...
Shimoji H - - 1999
A case report and review of the literature on pedunculated exogastric leiomyosarcomas are presented. Although about one-fourth of the stromal tumors (common leiomyomas and leiomyosarcomas) of the stomach grow in an exogastric configuration, pedunculated exogastric leiomyosarcomas are extremely rare. At present there is no evidence of intraperitoneal seeding from exogastric ...
Ruah C B - - 1999
Teratomas are germ cell tumours usually found in the young and are characteristically composed of tissue foreign to the place where they arise. Two teratomas of the middle ear were first described in 1866 and since then, and to the best of our knowledge, 19 additional cases have been reported ...
Ribeiro P R - - 1999
OBJECTIVE AND IMPORTANCE: The intradural extension of a sacrococcygeal teratoma is rare and has been reported previously in only two cases. We present a case of a sacrococcygeal teratoma with an intradural and extramedullary extension. CLINICAL PRESENTATION: The patient was a full-term female infant, born with a sacral mass. Ultrasonography, ...
Hsu S C - - 1999
Leiomyoma are very common in the normal uterus; however, they are rather rare in mullerian duct remnant. We report a case of mullerian duct remnant leiomyoma associated with vaginal agenesis. The mass had papillary growth with cystic-solid components by ultrasound. Ovarian cancer was suspected preoperatively. Finally, a fibroid with hyalinization ...
den Boon J - - 1999
Malignant change to glioblastoma multiforme in a mature cystic teratoma (dermoid cyst) is exceptionally rare. Besides a report on such a case we give a brief review of the literature on this subject and a comment on treatment. The reported case is about a 41-year-old woman with a mature cystic ...
Doss B J - - 1999
Ovarian leiomyomas are uncommon and have not been systematically studied. The clinical and histopathologic features of 15 ovarian leiomyomas were evaluated, including their clinical presentation, size, cellularity, mitotic index, presence of degeneration, and hyalinization. The mean age of women with ovarian leiomyomas was 45.8 years. The presenting sign was an ...
Elagöz S - - 1998
We present a rare case of a placental teratoma found within the fetal membranes of an otherwise normal placenta. Lack of a recognizable umbilical cord and no recognizable skeletal development are used as differential diagnostic criteria for a placental teratoma. In our case, an umbilical cord was absent; nevertheless, the ...
Ergete W - - 1998
Teratomas in the neck are rare neoplasms. Existing or potential airway obstruction is usually the main concern in acute management of these patients. A first case of cervical teratoma is described in an Ethiopian premature neonate born to an 18 year-old primigravida. The clinico-pathological features, including autopsy findings, are reviewed. ...
Sindwani R - - 1998
BACKGROUND: Tumors of smooth muscle origin are rare in the upper aerodigestive tract, due to the paucity of smooth muscle in the area. A review of the literature revealed 34 reported cases of leiomyoma, 9 cases of leiomyosarcoma, and only 2 cases of epithelioid leiomyoma arising in the larynx. METHODS: ...
Campagne G - - 1998
Primary cardiac tumors are rare and, until recently, were mostly incidental postmortem findings. Nowadays, due to the widespread use of prenatal ultrasound scans, we are able to diagnose them in utero. We present a case of an intracardiac teratoma diagnosed at 38 weeks, menstrual age. Previous scans had been normal. ...
Tulandi T - - 1998
OBJECTIVE: To evaluate a technique of lateral ovarian transposition by laparoscopy. DESIGN: Case report. SETTING: Tertiary care center. PATIENT(S): A 34-year-old woman with rectal carcinoma. INTERVENTION(S): Laparoscopic ovarian transposition. MAIN OUTCOME MEASURE(S): Return of normal menstruation after irradiation. RESULT(S): Lateral ovarian transposition could be done by laparoscopy. However, division of ...
Yoo W H - - 1998
Behçet's disease is a chronic multisystemic disorder involving many organs and characterized by recurrent oral and genital ulcers and relapsing iritis. A case of BD with large vein thrombosis involving superior and inferior vena cava is presented. Large vein thrombosis in BD is not commonly developed and most commonly observed ...
Chakravarti A - - 1998
Dermoids or hairy polyps, the most primitive forms of teratoma are rare lesions affecting the nasopharynx. They arise during early embryogenesis, being derived from only two germinal layers, ectoderm and mesoderm and are invariably benign. They usually present at or soon after birth with signs of upper aerodigestive tract obstruction. ...
Hseih C S - - 1998
Primary teratomas of the fallopian tube are extremely uncommon. To date, only about 50 cases have been reported in the literature. Six of them are reported to have been in conjunction with tubal ectopic pregnancies. Herein we present the first case of benign cystic teratoma of the unilateral fallopian tube ...
Bertrand P - - 1998
Intravenous leiomyomatosis is a rare, histologically benign neoplasm that may be malignant in its specific tendency to intravascular extension. A case of intravenous leiomyomatosis with extension into the entire inferior vena cava in a 41-year-old woman is described. The patient was diagnosed with syncope 3 years after hysterectomy and was ...
Valeriani M - - 1998
Cutaneous leiomyosarcoma is a rare tumour, accounting for 2.3% to 6.5% of all soft tissue sarcomas. The case of a young patient with a cutaneous leiomyosarcoma on the right gluteal region is here presented. The lesion misdiagnosed as a keloid after primary excision of histiocytoma had a two-year history, had ...
Karasen R M - - 1998
Leiomyosarcoma is a malignant tumour of smooth muscle origin. These tumours are rarely encountered in the head and neck region. A case of leiomyosarcoma of the auricle is presented. There are two cases of external auditory canal leiomyosarcoma in the literature. To our knowledge the present case is the first ...
Milman D - - 1998
We report a case of a 37-year-old woman who had received five courses of gonadotropin-releasing hormone (GnRH) agonist (Decapeptyl) for presumed uterine leiomyomata associated with episodes of uterine bleeding. Submucous myoma (histologically proven) was partially removed on the first visit. After a period of significant reduction in the tumor size ...
Eriguchi N - - 1998
Leiomyosarcoma of the small bowel mesenterium is a rare entity. Approximately 21 cases originating from the small bowel mesenterium have been described in the Japanese literature. Differentiation from its benign counterpart, leiomyoma, and other connective tissue tumors is often difficult, but it is important because each respective tumor type has ...
Reina A J - - 1998
Leiomyosarcomas represent 10-20% of malignant tumors in the small bowel and 1% of those located in the large bowel. These tumors have aspecific symptoms depending on their size, location and histology. Intestinal leiomyosarcomas may be the cause of numerous types of surgical emergency. We report 2 cases of intestinal leiomyosarcoma ...
Shimizu M - - 1997
A case of fatty replacement of the pancreatic body and tail associated with leiomyosarcoma of the pancreatic head is presented. Clinicopathological features as well as differential diagnoses are described with a review of the literature on both leiomyosarcoma and fatty replacement of the pancreas. A possible correlation between the two ...
Shirodkar N P - - 1997
Teratomas are embryonal neoplasms which arise from totipotential cells and contain elements from all three germ layers (ectoderm, mesoderm, and the endoderm). Simultaneous occurrence of mediastinal and gastric teratomas in infants has not been reported, although gastric teratomas extending into the mediastinum have been reported twice in literature. We report ...
Carr M M - - 1997
OBJECTIVE: This article reviews teratomas, neoplasms composed of the three germinal layers of the embryo that form tissues foreign to the part in which they arise. These are most common in the sacrococcygeal region and are rare in the head and neck. In this region, major concerns are airway obstruction ...
Furuhashi M - - 1997
Cystic teratoma in the greater omentum remains one of gynecology's rarest entities. A 28-year-old woman presented with a goose-egg-sized mass in the right lower quadrant. At laparotomy, the mass proved to be a cystic teratoma of the greater omentum. To our knowledge, this report documents the first case where an ...
Kennedy A P AP - - 1997
Primary intestinal leiomyosarcomas in children are rare tumors. Twenty-seven previous cases are documented in the literature with little information available on the treatment, survival, and prognostic factors surrounding these tumors. The authors report the 28th case of pediatric intestinal leiomyosarcoma and its follow-up, that of a newborn presenting with intestinal ...
Bruch S W - - 1997
Although the majority of reported pericardial teratomas have been excised successfully in the postnatal period, the outcome of prenatally diagnosed pericardial teratomas remains less favorable. Two recent cases of prenatally diagnosed pericardial teratomas and a review of previously reported cases suggest a new management algorithm for those pericardial teratomas discovered ...
Winderl L M - - 1997
Sacrococcygeal teratomas can be diagnosed prenatally with a detailed ultrasound examination of the fetal anatomy. The majority of these teratomas are solid or mixed cystic and solid external caudal masses. A conclusion drawn from the literature is that only a small percentage are entirely cystic and few are completely internal ...
Cable D G - - 1997
Sacrococcygeal chordoma is a rare pediatric neoplasm that may be confused with the more common, and indolent, teratoma. The present report describes the diagnosis, treatment and early postoperative convalescence of a case of chordoma in an adolescent child. This case is contrasted to the sacrococcygeal teratoma, a familial pediatric neoplasm, ...
Wargon O - - 1997
Leiomyosarcomas of the skin are frequently misdiagnosed clinically. This tumour however, exhibits typical histological and immunohistochemical features. This collection of seven cases of cutaneous leiomyosarcoma on the trunk and limbs of adults with a mean age of 63 years and a range of 49-78 years demonstrates that the clinical diagnosis ...
Coad J E - - 1997
Perinodular hydropic degeneration of a uterine leiomyoma is a rare form of the more common hydropic change observed in leiomyomas. With minimal discussion in the surgical pathology literature, appropriate evaluation may be challenging because the differential diagnosis includes other uncommon uterine disorders such as intravenous leiomyomatosis, diffuse leiomyomatosis, myxoid leiomyosarcoma, ...
de Lagausie P - - 1997
A case of sacrococcygeal teratoma is presented with characteristics of fetus-in-fetu. This pseudo-fetus presented a rudimentary single cavity heart, which beat at a different rate to that of the affected infant. X-ray examination showed no spinal column. This case confirms that fetus in fetu can be a remarkably complex, well-differentiated, ...
Grove A - - 1996
Three cases of intravascular leiomyomatosis of the uterus are presented. Extrauterine extension occurred in all the patients, and one of them presented with leiomyomatosis of the inferior vena cava. One of the other patients represented an exceptional case of intravascular leiomyomatosis of smooth muscle tumor of uncertain malignant potential. A ...
Griffin J H - - 1996
We report the thirteenth case of primary leiomyosarcoma of the ureter, as well as a summary of previous cases. It is the first case reported to be studied by computer tomography and immunohistochemical procedure. Further evaluation included intravenous pyelogram, cystoscopy with retrograde pyelogram, cell block for cytology, and electron microscopy. ...
Khaffaf N - - 1996
BACKGROUND: Leiomyoma of the ovary is rare, usually small, and rarely induces serious symptoms. CASE: We report a case of a leiomyoma of the ovary that weighed 11.65 kg and led to acute abdomen and bilateral hydronephrosis. To our knowledge, this complication has not been described previously. Transabdominal sonography and ...
Pearl M L - - 1996
A case of primary retroperitoneal mucinous cystadenocarcinoma of low malignant potential in the presence of normal ovaries is reported. The precise etiology of these neoplasms has not been defined; however, they may arise from heterotopic ovarian tissue, monodermal teratomas, embryonal urogenital remnants, intestinal duplication, or coelomic metaplasia. Although minimal data ...
< 1 2 3 4 5 6 7 8 9 >