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Hassan Peyvandi, Fahimeh Arsan, Athena Alipour-Faz, Maryam Yousefi
BACKGROUND: Mature cystic teratoma is one of the most common tumors of the ovaries; however, primary retroperitoneal lesions are rare entities in adults. CASE SUMMARY: We report a case of a 33 year-old woman noticing a mass in her epigastric and left upper abdominal region without any specific signs and symptoms. Radiological evaluation revealed a retroperitoneal mass with extension from the posterior aspect of the pancreas to the pelvic cavity, composed of calcifications and cystic elements...
October 11, 2016: International Journal of Surgery Case Reports
Thitiporn Junhasavasdikul, Nichanan Ruangwattanapaisarn, Sani Molagool, Chatmanee Lertudomphonwanit, Nongnuch Sirachainan, Noppadol Larbcharoensub
Immature gastric teratoma is an uncommon germ cell tumor of the stomach. We report a rare case of immature gastric teratoma in an infant with down syndrome with clinically presenting with hematemesis and severe anemia. Complete surgical resection remains the cornerstone of treatment.
October 2016: Clinical Case Reports
Grzegorz Jedrzejewski, Magdalena M Wozniak, Agata Pawelec, Albert Matera, Magdalena Kunach, Tomasz Madej, Andrzej P Wieczorek, Katarzyna Nowakowska
The aim of the ultrasound (US) screening program was to detect neoplastic lesions in children, together with other pathologies of the developmental age in the area of the neck, abdomen, female pelvis, and scrotum in boys.US screening scans, including cervical, abdominal, pelvical, and scrotal US, were performed in the population of asymptomatic children aged from 9 months to 6 years. The children were scanned in Mobile Pediatric US Unit, consisting of 2 independent consulting rooms.The scans of 14,324 children were analyzed, 7247 boys and 7077 girls...
October 2016: Medicine (Baltimore)
Yuichiro Kizaki, Tomonori Nagai, Ken Ohara, Yosuke Gomi, Taichi Akahori, Yoshihisa Ono, Shigetaka Matsunaga, Yasushi Takai, Masahiro Saito, Kazunori Baba, Hiroyuki Seki
BACKGROUND: While ovarian mature cystic teratomas are benign ovarian germ-cell tumors and the most common type of all ovarian tumors, the formation of fistulas into surrounding organs such as the bladder and the intestinal tract is extremely rare. This report documents a case of ovarian mature cystic teratoma with a rectal fistula, thought to be caused by local inflammation. CASE DESCRIPTION: A pelvic mass was diagnosed as an ovarian mature cystic teratoma of approximately 10 cm in diameter on transvaginal ultrasound and magnetic resonance examinations...
2016: SpringerPlus
Sungwook Chun, Hyun Jin Cho, Yong Il Ji
OBJECTIVE: To evaluate the change of ovarian reserve after unilateral laparoscopic ovarian cystectomy (LOC) in the early postoperative period between patients divided according to histologic diagnosis of cyst type. MATERIALS AND METHODS: Sixty-five patients who were undergoing unilateral LOC for benign ovarian disease were included in this study. All participants were divided into three groups according to histologic diagnosis: endometrioma (n=26), mature teratoma (n=24), and other benign cyst (n=15)...
October 2016: Taiwanese Journal of Obstetrics & Gynecology
Samuel G Borak, John R Ross, Walter C Bell
Granular cell tumors involving the female reproductive tract are rare, with only a small number of cases described. Of the reported cases, none are documented within an ovarian mature cystic teratoma (MCT). This report documents a case of a granular cell tumor, incidentally discovered within an ovarian MCT in a 50-yr-old woman undergoing a supracervical hysterectomy and left salpingo-oophorectomy. Although malignant transformation and other secondary ovarian neoplasms in MCT have been well documented, synchronous nonovarian benign neoplasms are reported much less frequently...
October 12, 2016: International Journal of Gynecological Pathology
Sean R Williamson, Brett Delahunt, Cristina Magi-Galluzzi, Ferran Algaba, Lars Egevad, Thomas M Ulbright, Satish K Tickoo, John R Srigley, Jonathan I Epstein, Daniel M Berney
Since the last World Health Organization (WHO) Classification scheme for tumours of the urinary tract and male genital organs, there have been a number of advances in the understanding, classification, immunohistochemistry, and genetics of testicular germ cell tumours. The updated 2016 draft classification was discussed at an International Society of Urological Pathology (ISUP) Consultation on Testicular and Penile Cancer. This review addresses the main updates to germ cell tumour classification. Major changes include a pathogenetically derived classification using germ cell neoplasia in situ (GCNIS) as a new name for the precursor lesion, as well as distinction of prepubertal (non-GCNIS-derived) from postpubertal-type tumours (GCNIS-derived), acknowledging the existence of rare benign prepubertal-type teratomas in the postpubertal testis...
October 17, 2016: Histopathology
Jingjin Jiang, Qian Shen, Wei Ding, Jianying Zhou
Primary pulmonary chondrosarcoma is a rare neoplasm that usually grows slowly, metastasizes late, and responds well to excision when localized. Herein, we present a 59-year-old man who manifested with hemoptysis, cough and dyspnea with a hemithorax mass. A chest computed tomography scan demonstrated a fast-growing mass in the right upper lobe, and the enhancement was partially heterogeneous. Bronchoscopy revealed a hemorrhagic neoplasm in the right upper bronchus. A bronchoscopy biopsy specimen revealed a variety of tissues, including mucoid cartilage, fibers, respiratory epithelium and squamous epithelium...
September 2016: Journal of Thoracic Disease
Yun Chai, Chang Gok Woo, Joo-Young Kim, Chong Jai Kim, Shin Kwang Khang, Jiyoon Kim, In Ah Park, Eun Na Kim, Kyu-Rae Kim
Background: Immature teratoma (IT) is a tumor containing immature neuroectodermal tissue, primarily in the form of neuroepithelial tubules. However, the diagnosis of IT containing only cellular neuroglial tissue (CNT) without distinct neuroepithelial tubules is often difficult, since the histological characteristics of immature neuroectodermal tissues remain unclear. Here, we examined the significance of CNT and defined immature neuroectodermal tissues by comparing the histological features of neuroglial tissues between mature teratoma (MT) and IT...
October 14, 2016: Journal of Pathology and Translational Medicine
Seung-Ju Cho, So-Yeon Kim, Soon-Jung Park, Naree Song, Haw-Young Kwon, Nam-Young Kang, Sung-Hwan Moon, Young-Tae Chang, Hyuk-Jin Cha
Pluripotent stem cells (PSC) are promising resources for regeneration therapy, but teratoma formation is one of the critical problems for safe clinical application. After differentiation, the precise detection and subsequent elimination of undifferentiated PSC is essential for teratoma-free stem cell therapy, but a practical procedure is yet to be developed. CDy1, a PSC specific fluorescent probe, was investigated for the generation of reactive oxygen species (ROS) and demonstrated to induce selective death of PSC upon visible light irradiation...
September 28, 2016: ACS Central Science
David W Nauen
Anti-N-methyl-d-aspartate-type glutamate receptor autoimmune encephalitis can arise in the setting of ovarian teratoma and often responds to resection. When it occurs in the absence of tumor, failure to respond to treatment may be more likely, and affected patients often require intensive care. To further understand the mechanisms and potential management, we present findings from an autopsy conducted on a young woman who died of refractory autoimmune encephalitis of this type. Rituximab was administered 70 days before death, and both 37 and 14 days before death, CD19(+) lymphocytes were only 0...
September 22, 2016: Journal of Critical Care
Kantha Medepalli, Cody M Lee, Lauryn A Benninger, Jean M Elwing
OBJECTIVE: Anti-N-methyl-d-aspartate receptor encephalitis is a rare but emerging cause of autoimmune encephalitis. Our objective is to present a case of this rare disease while highlighting the importance of an aggressive search for underlying malignancy as well as the common mischaracterization of primary psychiatric illness that occurs in these patients. METHODS: A young Caucasian female with no known psychiatric history presented with acute onset of seizures and psychosis...
2016: SAGE Open Med Case Rep
Patcharapa Thaweekul, Yuthadej Thaweekul, Karicha Mairiang
A 13-year-old, obese girl presented with acute abdominal pain with abdominal distension for a year. The physical examination revealed marked abdominal distension with a large well-circumscribed mass sized 13×20 cm. Her body mass index (BMI) was 37.8 kg/m2. An abdominal CT scan revealed a huge multiloculated cystic mass and a left adnexal mass. She had an abnormal fasting plasma glucose and low HDL-C. Laparotomy, right salpingooophorectomy, left cystectomy, lymph node biopsies and partial omentectomy were performed...
December 2016: Asia Pacific Journal of Clinical Nutrition
Priyanka Jha, Viktoriya Paroder, Winnie Mar, Jeanne M Horowtiz, Liina Poder
Placental masses are uncommonly identified at the time of obstetric ultrasound evaluation. Understanding the pathologies presenting as placental masses is key for providing a differential diagnosis and guiding subsequent management, which may include additional imaging with magnetic resonance (MR) imaging. Potential benign entities include chorioangiomas and teratomas. Larger chorioangiomas can cause fetal cardiovascular issues from volume overload. Placental mesenchymal dysplasia has an association with fetal anomalies and detailed fetal evaluation should be performed when it is suspected...
September 30, 2016: Abdominal Radiology
Gautam Kumar Mandal, Indranil Das, Rahul Paul, Saunak Mitra Mustafi
A 13-year-old girl presented with chief complaints of severe headache and vomiting followed by hemiparesis. Radiological examination suggested a space occupying lesion in the right parietal lobe. Craniotomy and debulking of the tumor mass were done. Histopathological and subsequent immunohistochemical examination showed a tumor composed of fascicle of atypical spindle cells which revealed reactivity to vimentin with interspersed areas of well-differentiated cartilage tissue. Hence, the diagnosis of teratoma with sarcomatous transformation was given...
October 2016: Asian Journal of Neurosurgery
Hemonta Kr Dutta, Pronami Borah, Mauchumi Baruah
Extragonadal teratomas are rarely encountered in infants and children. These tumors are reported in retroperitoneum, floor of the mouth, mediastinum, craniofacial region or even in the solid organs of the body. Most of the gluteal teratomas reported in the literature are in fact, lateralized sacrococcygeal teratomas. We are reporting a case of unilateral big gluteal teratoma in a 6-year-old girl. The tumor did not have any connection with the sacrum or coccyx and was successfully removed. Histology showed well-differentiated bowel as well as fetiform structures...
October 2016: Journal of Indian Association of Pediatric Surgeons
Zuzana Storchová
No abstract text is available yet for this article.
September 28, 2016: EMBO Journal
E S Paik, Y-Y Lee, C-R Roh, T-J Kim
No abstract text is available yet for this article.
November 2015: Journal of Minimally Invasive Gynecology
Lauren A Kremm, Qianna Armstrong, Mary H Lawler
No abstract text is available yet for this article.
September 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
Chikako Kaneko, Norshalena Shakespear, Mario Tuchiya, Jin Kubo, Teiji Yamamoto, Soichi Katayama, Yukitoshi Takahashi
Five consecutive cases of anti-NMDA-receptor encephalitis that we encountered were marked by a rapidly fluctuating level of consciousness associated with psychotic and delirious mental states. Opisthotonus, catatonia, and rhythmic and non-rhythmic involuntary movements of the mouth and jaw were also characteristic features of these particular cases. Serious and potentially fatal problems included epilepsia partialis continua, partial and generalized seizures, and respiratory depression, resembling the symptoms of encephalitis lethargica...
September 2016: Brain and Nerve, Shinkei Kenkyū No Shinpo
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