Search Results
Results 251 - 300 of 414
< 1 2 3 4 5 6 7 8 9 >
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 ...
Rosenthal J T - - 1995
This is a case report of a primary vena cava sarcoma extending to the atrium in a young woman, which was resected. Cardiopulmonary bypass was used, and the cava replaced with ringed Gore-Tex. She remains alive and well more than 3 years after the surgery with no evidence of recurrence.
Wang L - - 1995
A case of teratoma from the placenta is described. Sixteen previous reports of this entity are briefly reviewed, and the histological features, differential diagnosis and pathogenesis of the placental teratoma are discussed. Authors consider the placental teratoma a true tumor and not a fetus amorphus. Placental teratomas are extremely rare ...
Washburne J F - - 1995
The majority of case reports concerning intracerebral tumors are almost equally divided between teratomas and gliomas. We report a case of congenital intracranial teratoma with suggested management. An 18-year-old woman at 30 weeks' gestation in active labor because of severe fetal hydrocephalus and polyhydramnios was delivered by cesarean section. Spontaneous ...
Parnes L S - - 1995
Teratomas are true tumours derived from ectoderm, mesoderm, and endoderm, which differentiate into identifiable tissues and organs. Teratomas of the temporal bone are exceedingly rare, but should be considered in the differential diagnosis of a temporal bone mass at birth or during childhood. We present a case of a temporal ...
Fishbein T - - 1995
Two cases of duodenal leiomyosarcoma were encountered, both of which appeared benign by gross and histologic criteria. Both patients suffered recurrences with poor outcomes. We reviewed the literature and found four other such cases and examined the outcomes in the world literature with respect to tumor size and extent of ...
Cheng W F - - 1995
Solitary tumors of the broad ligament are rare. The most frequent solid tumor of the broad ligament is leiomyoma. Leiomyosarcoma of the broad ligament (LBL) is an extremely rare malignant tumor. Nine cases of leiomyosarcoma of the broad ligament had been reported previously. A 59-year-old woman with LBL is reported. ...
Bortolozzi G - - 1995
A case of urethral leiomyoma in a 39 year old woman is reported. It is always a benign neoplasia, frequently hormone-dependent, rarely relapsing after excision. An accurate review of the literature has found over 110 cases up to date, in opposition to a recent publication in the Journal of Urology ...
Muszynski C A - - 1994
Hibernomas are uncommon, benign neoplasms derived from the remnants of fetal brown adipose tissue. A review of the world literature revealed 105 cases, with the interscapular location the most common. Typically, hibernomas are asymptomatic and slow-growing. Adequate treatment usually consists of simple excision. We describe the second documented case of ...
Aydin H - - 1994
Soft tissue sarcomas of the oral cavity are uncommon malignancies; those of smooth-muscle origin are extremely rare. The world literature reveals about 80 leiomyomas and 26 cases of leiomyosarcoma. Only 4 of the cases with leiomyosarcoma occurred in the tongue. This report of leiomyosarcoma of the base and dorsum of ...
Calder C J - - 1994
A patient with multiple peritoneal metastases showing mature (grade 0) glial, epithelial, and endometriotic differentiation occurring 20 years after removal of a grade 1 immature ovarian teratoma is reported. Although previous cases of endometriosis occurring in association with gliomatosis peritonei and a case of epithelial differentiation in metastases from an ...
Pow-Sang M R - - 1994
The third case of leiomyosarcoma of the foreskin is reported. A review of the literature indicates that this lesion, which is similar to cutaneous leiomyosarcoma that is seen elsewhere in the body, has a low grade of malignancy. This finding is in contrast to leiomyosarcoma of the penis, which arises ...
Morinaga S - - 1994
A surgical case of teratoma with malignant transformation (TMT) of the mediastinum in a 66-year-old man is reported. The unilocular, cystic, mediastinal mass, which had been seen in a chest radiograph 7 years earlier, was extirpated. The mass was histologically revealed to be a mature cystic teratoma containing skin and ...
Akang E E - - 1994
Teratomas accounted for 3.4 cases per 1,000 surgical biopsies received in the Pathology Department of UCH Ibadan, between 1960 and 1985. The commonest site of teratomas was in the ovaries which accounted for 83.2% of the cases, followed by the sacrococcygeal region which accounted for a further 6.3%. Other sites ...
Hellquist H B - - 1994
We describe the pathological features of a case of laryngeal epithelioid leiomyoma (leiomyoblastoma) which, to our knowledge, is the second case to be reported in the world literature. A review of the literature confirmed that leiomyoma as such is a very rare neoplasm in the larynx, and only 33 cases ...
Winter T C TC - - 1993
Teratomas of the liver in adults are rare. We believe this to be only the fifth such case reported, the first with CT correlation and with plain film documentation of the development and slow progression of the lesion from age 44 to 61. A review of the literature regarding hepatic ...
Ozisik Y Y - - 1993
The cytogenetic patterns of uterine leiomyomas have been extensively investigated, and cases characterized by specific clonal changes have been documented in detail. In these tumors one of the cytogenetic changes frequently observed has been a del(7), particularly del(7)(q22), usually as a sole anomaly. This is confirmed by our experience and ...
Furuta G T - - 1993
Intestinal leiomyosarcoma is a rare tumor in infants and children; only 46 cases have been reported in the English literature. Presenting signs and symptoms include abdominal pain and gastrointestinal obstruction and bleeding. We describe a neonate with the unique presentation of ileocecal intussusception accompanying an ileal leiomyosarcoma. In contrast to ...
Caffarena P E - - 1993
The authors report a case of leiomyosarcoma of the cecum and review all the Italian reports of mesenchymal neoplasms registered in the RMS-Italy register. They emphasize the extreme rarity of intestinal leiomyosarcoma, especially with colon involvement: their case appears to be the only one registered in Italy in the last ...
< 1 2 3 4 5 6 7 8 9 >