3,297 results match your criteria Teratoma Cystic

Five-year recurrence pattern of mature cystic teratoma according to operation type in young women.

Int J Gynaecol Obstet 2022 Jun 24. Epub 2022 Jun 24.

Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.

Objective: This study was conducted to find cumulative recurrence rate and risk factors for recurrence in young women with mature cystic teratoma (MCT).

Methods: Patients aged 10-29 years with MCT confirmed by their first ovarian surgery between 2000 and 2018 were included in the study. To rule out residual lesions, only patients with no MCT-suspected lesions on imaging within 1 year after surgery were included in the study. Read More

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Extreme elevation of CA 19-9 levels in mature cystic teratoma without any complications: A case report.

Ann Med Surg (Lond) 2022 Jun 18;78:103803. Epub 2022 May 18.

Department of Obstetrics and Gynecology, Medical School of Jeju National University, Jeju National University Hospital, Aran 13gil 15 (Ara-1Dong), Jeju City, Jeju Self-Governing Province, 63241, South Korea.

Introduction And Importance: Carbohydrate antigen 19-9 (CA 19-9) can be increased in benign ovarian cysts, but extreme elevation is rare.

Case Presentation: We present a case of a mature cystic teratoma with extremely elevated CA 19-9 levels. After ovarian cystectomy, the level of CA 19-9 was decreased. Read More

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Adrenal and Mesenteric Teratomas in Infants: Common Tumors in Uncommon Sites.

J Indian Assoc Pediatr Surg 2022 May-Jun;27(3):354-356. Epub 2022 May 12.

Department of Pediatric Surgery, NRS Medical College, Kolkata, West Bengal, India.

Teratomas are common tumors in children. The most common sites are gonads, however, several extragonadal sites are well known such as sacrococcygeal region, mediastinum, head and neck, stomach, and vagina. Occasionally, teratomas occur in unusual sites which pose diagnostic difficulties. Read More

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A 17-year-old girl with massive Intra-abdominal Germ Cell Tumour.

Palwasha Rehman

J Pak Med Assoc 2022 May;72(5):997

Department of Pediatric Oncology, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, Pakistan.

Teratomas comprise of three germ layers. Mature cystic teratomas are the most common among them. Due to cystic and solid components the radiological presentation varies. Read More

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A rare case of highly differentiated follicular carcinoma in ovary with FGFR4 Gly388Arg polymorphism: a case report and literature review.

J Ovarian Res 2022 Jun 14;15(1):71. Epub 2022 Jun 14.

Department of Gynecologic Oncology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China.

Background: Highly differentiated follicular carcinoma (HDFCO) is a rare form of struma-derived thyroid-type carcinoma in ovary, defined as ovarian struma spreading beyond ovary but consisting of benign thyroid tissues. No more than 30 cases of HDFCO have been reported since it was first recognized in 2008. The clinicopathologic and molecular features of HDFCO remain unclear up till now. Read More

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A massive retroperitoneal mature teratoma from a "burned-out" testicular teratoma and seminoma.

Radiol Case Rep 2022 Aug 2;17(8):2732-2736. Epub 2022 Jun 2.

Riverside Community Hospital, 4445 Magnolia Avenue, Riverside, CA, 92501, USA.

Germ cell tumors are the most common nonhematologic malignancy of young men which often present with metastasis to the retroperitoneum, however a primary retroperitoneal mass should also be considered. The case presented herein reports a 42-year-old male presenting with a massive heterogenous retroperitoneal mass determined to be a mature cystic teratoma. Further investigation revealed a multifocal right testicular mass containing both a viable pure seminoma and a fibrous scar demonstrating germ cell neoplasia in situ thus representing the rare phenomenon of a "burned-out" mixed germ cell testicular tumor. Read More

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Stage Ia squamous cell carcinoma as the malignant transformation of giant and unusual mature teratoma of the ovary in an elderly patient.

J Ovarian Res 2022 Jun 4;15(1):68. Epub 2022 Jun 4.

Unit of Obstetrics and Gynecology, Grande Ospedale Metropolitano, Reggio Calabria, Italy.

Background: Mature cystic teratomas of the ovary (MCTO) are a type of germ cell tumor that may contain well-differentiated tissues developed from three germ cell layers and constitute about 20% of ovarian germ cell tumors. They are rare ovarian tumors with an annual incidence variable from 1.2 to 14. Read More

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Well-differentiated cerebellum in an ovarian mature cystic teratoma: a case report and review of the literature.

J Med Case Rep 2022 Jun 1;16(1):215. Epub 2022 Jun 1.

Department of Radiology, College of Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Post Box No. 1982, Dammam, 31441, Saudi Arabia.

Background: Mature teratoma is the most common germ cell tumor as it represents 95% of germ cell tumors. Although common in children and young adults, ovarian teratoma can occur at any age. Mature teratomas are composed of mature tissues representing elements derived from more than one embryonic germ layer (ectoderm, mesoderm, and endoderm), with ectodermal derivatives being the usual predominant component; however, the finding of a well-differentiated cerebellum is extremely rare. Read More

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30-Year Experience With 22 Cases of Malignant Transformation Arising From Ovarian Mature Cystic Teratoma: A Rare Disease.

Front Oncol 2022 9;12:842703. Epub 2022 May 9.

Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Obstetric & Gynecologic Diseases, Beijing, China.

Objective: To investigate the clinical characteristics and survival outcomes of patients with malignant transformation arising from ovarian mature cystic teratoma (MT-MCT).

Methods: This retrospective study included patients with ovarian MCTs at Peking Union Medical College Hospital (PUMCH) during 1990.01-2020. Read More

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A rare case of ovarian carcinoid on mature cystic teratoma in a 36-year-old patient.

Gynecol Oncol Rep 2022 Jun 11;41:100999. Epub 2022 May 11.

Department of Pathology, Dr. Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia.

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"An eye for a tooth:" Orbital teratoma in an adult.

Saudi J Ophthalmol 2021 Jul-Sep;35(3):276-277. Epub 2022 Apr 18.

Department of Orbit, Oculoplasty, Reconstructive and Aesthetic Services, Medical Research Foundation, Sankara Nethralaya, Chennai, Tamil Nadu, India.

A 27-year-old female presented with progressive prominence of her right eye since childhood. On examination, a pinkish mass filling the right orbit with no evidence of an eyeball was seen. She also had bilateral preauricular skin tags. Read More

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Orbital tooth - not always a teratoma : a case report.

Orbit 2022 May 17:1-4. Epub 2022 May 17.

Department of Orbit, Oculoplasty, Ocular Oncology and Ocular Prosthetics, Aravind Eye Hospital, Madurai, India.

A 7-year-old girl presented with a painless firm to cystic mass in the infero-temporal quadrant of her right orbit since birth. The mass had recurred with a cutaneous sinus after initial surgery. Right eye vision was affected by mass induced astigmatism. Read More

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Metastatic follicular carcinoma arising from struma ovarii.

BMJ Case Rep 2022 May 17;15(5). Epub 2022 May 17.

Obstetrics & Gynaecology, Gynaecological Oncology, KK Women's and Children's Hospital, Singapore.

Struma ovarii (SO) is an uncommon monodermal teratoma predominantly composed of mature thyroid tissue. Approximately 5% of SO are malignant; however, metastases are rare. A single female in her 40s, with a medical history of Graves' disease and bilateral cystectomy 10 years prior for right endometriotic cyst and left SO, presented with an enlarging abdominal mass for 4 months. Read More

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Enteric duplication cyst of the tongue in a newborn: A case report and literature review.

J Oral Maxillofac Pathol 2022 Jan-Mar;26(1):131-132. Epub 2022 Mar 31.

Department of Maxillofacial Surgery, University of Antioquia, Medellín, Colombia.

Enteric duplication cysts (EDCs) are congenital anomalies. We report the case of a 5-day-old girl with a 2.0 cm congenital oral mass in the tongue, an extremely uncommon site of EDC. Read More

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Retroperitoneal fetus in fetu presenting in a male infant: A case report and literature review.

Radiol Case Rep 2022 Jul 7;17(7):2408-2415. Epub 2022 May 7.

Department of Pathology, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Changjia Alley, No.12, Fucheng District, Mianyang City, Sichuan Province, 621000, China.

Fetus in fetu (FIF) is a rare congenital disease caused by the abnormal development of monochorionic diamniotic twins that appears as a cystic mass containing fetus-like structures mainly in the retroperitoneum of infants. The clinical manifestations of fetus in fetu vary, but they mostly present at infancy, hence, it should be differentiated from a teratoma. Here, we report a case of an infant with fetus in fetu in the retroperitoneum. Read More

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Orbital and periorbital dermoid cysts: a retrospective analysis of 270 lesions.

Orbit 2022 Jun;41(3):341-345

Department of Ophthalmology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.

Purpose: To report the clinical characteristics and intraoperative findings of periorbital and orbital dermoid cysts and their relationship to location and rupture.

Methods: Retrospective review of 270 cases with orbital or periorbital dermoid cysts that presented over a period of 11 years. Patients were included if diagnosis of dermoid cyst was made by histopathologic analysis. Read More

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Characteristics of fetal physiological and pathological uterine effusion observed on prenatal ultrasonography: a case report.

BMC Pregnancy Childbirth 2022 May 12;22(1):405. Epub 2022 May 12.

Department of Ultrasound, Shengjing Hospital of China Medical University, No. 36 Sanhao St, Shenyang, 110004, Liaoning, China.

Background: The prenatal detection rate of fetal uterine effusion is very low, and current case reports mainly focus on pathological hydrometrocolpos. We presented two cases of fetal physiological uterine effusion with different ultrasonic characteristics and compared them with one case of hydrometrocolpos with the hope of identifying strategies to reduce misdiagnosis of fetal uterine effusion.

Case Presentation: This paper reports the cases of two female fetuses with abnormal pelvic echoes in the third trimester, referred to a tertiary center to be screened for suspected pelvic teratoma and cystic mass, respectively. Read More

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Unusual teeth in unusual places: Criteria for identifying teratomatous dental elements in archeological contexts.

Int J Paleopathol 2022 06 27;37:53-59. Epub 2022 Apr 27.

Western Pathology, Inc, San Luis Obispo, CA, USA.

Objective: This paper describes the dental elements (i.e., teeth and incomplete tooth-like structures) formed by mature cystic teratomas and provide some diagnostic criteria to aid in their paleopathological identification and analysis. Read More

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Anterior Mediastinal Benign Teratodermoid Tumour With Intraparenchymal Extension Through Cystobronchial Connection: A Rare Case Report.

Cureus 2022 Mar 10;14(3):e23030. Epub 2022 Mar 10.

Department of Cardiothoracic Surgery, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, IND.

Asymptomatic presentation is common in benign mature mediastinal tumours. Symptoms of the above diseases are sometimes life-threatening and can cause massive hemoptysis, recurrent pulmonary infection, hypoxia related to the pulmonary parenchymal hemorrhage, or pressure effect on or more of the major bronchi. A 16-year-old boy presented with frequent episodes of hemoptysis and recurrent fever unresponsive to antimicrobials. Read More

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The Key Role of Lung Ultrasound in the Diagnosis of a Mature Cystic Teratoma in a Child with Suspected Difficult to Treat Pneumonia: A Case Report.

Children (Basel) 2022 Apr 13;9(4). Epub 2022 Apr 13.

Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, 00161 Rome, Italy.

To date, the diagnosis of mediastinal teratoma and mediastinal masses relies on the use of chest X-ray and CT. Lung and thoracic ultrasound is becoming increasingly used in the diagnosis and follow-up of many lung and thoracic diseases. Here, we report the case of a mature cystic teratoma in which the performance of lung ultrasound allowed to speed up the diagnostic workup and to provide the indication for the execution of CT of the thorax allowing the diagnosis. Read More

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Clinicopathological observation of mature teratoma with malignant transformation, a single center retrospective study.

Indian J Pathol Microbiol 2022 Apr-Jun;65(2):369-373

Department of Pathology, Anyang Tumor Hospital, The Fourth Affiliated Hospital of Henan University of Science and Technology, Anyang, Henan, China.

Purpose: To investigate the clinicopathological features of mature teratoma with malignant transformation.

Methods: Retrospectively analysis of 1179 cases mature teratoma was done from August 1999 to December 2019 in Institution. 14 cases of mature teratoma with malignant transformation were discussed mainly for the pathological characteristics and clinical manifestations. Read More

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Malignant struma ovarii with papillary carcinoma combined with retroperitoneal lymph node metastasis: A case report.

World J Clin Cases 2022 Mar;10(9):2961-2968

Department of Radiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, Sichuan Province, China.

Background: Struma ovarii is a rare specific ovarian tumor. It is a highly differentiated monodermal teratoma with a malignant transformation rate as low as 5%. Thus, malignant transformation and metastasis are extremely rare. Read More

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Cystic teratoma of the parotid gland: A case report.

World J Clin Cases 2022 Mar;10(8):2622-2628

Department of Radiology, Xi'an Central Hospital Affiliated to Xi'an Jiaotong University, Xi'an 710003, Shaanxi Province, China.

Background: Teratoma is a common tumor, but rarely occurs in the parotid region. Only nine cases have been reported in the current literature. Although it is generally detected in infancy or childhood, it is commonly asymptomatic. Read More

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Prenatal ultrasonic features of a mediastinal teratoma: A case report and literature review.

J Clin Ultrasound 2022 Apr 8. Epub 2022 Apr 8.

Department of Ultrasound, Guangdong Women and Children Hospital, Guangzhou, Guangdong, China.

Fetal mediastinal teratomas represent only 10% of congenital teratomas in children and 2.6% of all mediastinal masses in children. Teratomas have multifactorial etiology, such as chromosomal abnormalities. Read More

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Robotic-assisted thoracoscopic resection of anterior mediastinal cystic teratoma: a case report and literature review.

J Cardiothorac Surg 2022 Apr 5;17(1):67. Epub 2022 Apr 5.

Department of Thoracic Surgery, SUNY Upstate Medial University, 750 East Adams Street, Syracuse, NY, 13210, USA.

Background: Mediastinal teratomas are rare tumors that frequently occur in the anterior mediastinum. The majority of these tumors are benign and slow growing. Due to their low malignant potential, the treatment for these tumors is surgical resection. Read More

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Gastric immature teratoma arising from the lesser curvature of the stomach: A rare case report.

J Cancer Res Ther 2022 Jan-Mar;18(1):308-311

Department of Pathology, King George's Medical University, Lucknow, Uttar Pradesh, India.

Immature gastric teratoma is an uncommon germ cell tumor of the stomach. A 6-month-old male child was born through full-term vaginal delivery. After 1 month presented with a history of abdominal distension and palpable mass along with a history of Malena for the past 10 days. Read More

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When prolapse cannot be reduced: incarcerated procidentia due to pelvic mass.

Int Urogynecol J 2022 Apr 4. Epub 2022 Apr 4.

Division of Female Pelvic Medicine and Reconstructive Surgery, University of Louisville Department of Ob/Gyn and Women's Health, 2nd floor, Chair's Suite, 550 S. Jackson Street, Louisville, KY, 40202, USA.

Introduction And Hypothesis: Our objective is to demonstrate a surgical approach to the treatment of incarcerated procidentia with obstructed ureters due to a pelvic mass.

Methods: A 61-year-old woman presented with constipation, vaginal swelling, and difficulty voiding. On examination she had complete procidentia, which could not be reduced with gentle pressure. Read More

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Case Report: Management of Recurrent Ovarian Squamous Cell Carcinoma With PD-1 Inhibitor.

Front Oncol 2022 9;12:789228. Epub 2022 Mar 9.

Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Obstetrics & Gynecologic Diseases, Beijing, China.

Malignant transformations, such as ovarian squamous cell carcinoma (SCC) in ovarian mature cystic teratoma (OMCT), are rare tumors. The management of recurrent disease is still a challenge, and the gene mutations involved remain unclear. We herein report a recurrent case of ovarian SCC with a PIK3CA gene variation and immunohistochemical staining of programmed death-ligand 1 (PD-L1) >10%. Read More

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A case of ovarian Teratoma with nephroblastoma presenting abdomen metastasis.

J Clin Lab Anal 2022 May 29;36(5):e24364. Epub 2022 Mar 29.

Department of Pathology, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China.

Background: Teratoma with nephroblastoma (TWN) is an extremely rare condition. Since 1984, only 45 reported cases have been identified. To our knowledge, there have been only two cases of TWN of ovarian origin. Read More

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Malignant struma ovarii: Case report of an unusual ovarian tumor with CT imaging.

Radiol Case Rep 2022 May 22;17(5):1705-1708. Epub 2022 Mar 22.

Department of Anatomic Pathology, Faculty of Medicine Universitas Airlangga, Dr Soetomo General Academic Hospital, Surabaya, Indonesia.

Struma ovarii is categorised as a monodermal type of mature teratoma and consists primarily of thyroid tissue. It is an uncommon ovarian tumor, with non-specific clinical, and imaging findings. The majority of struma ovarii are benign and are typically associated with mature cystic teratomas. Read More

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