Skip to Content

22 Results Found

  • Case Report
  • Open Access
3 Citations
8,050 Views
9 Pages

Ruptured Ovarian Cystic Teratoma: A Rare Diagnosis, Easily to Be Confused with Peritoneal Carcinomatosis

  • Dan Costachescu,
  • Alexandru Catalin Motofelea,
  • Daniel Malita,
  • Florica Birsasteanu,
  • Ioana Ionita,
  • Nadica Motofelea,
  • Cristina Ana-Maria Jura,
  • Ioana-Flavia Bacila,
  • Mihai Bacila and
  • Sorin Motoi

10 March 2024

Although ovarian cystic teratoma is the most common ovarian tumor, complications are quite rare. However, it is important to be recognized by the radiologist in order to avoid inaccurately diagnosing them as malignant lesions. This case report descri...

(This article belongs to the Special Issue Diagnosis and Treatment of Gynecological Diseases)
  • Case Report
  • Open Access
7 Citations
3,876 Views
7 Pages

21 October 2022

We report an extremely rare case of ovarian high-grade endometrioid stromal sarcoma arising from a mature cystic teratoma with clinicopathologic features, and then we briefly review the pertinent literature. A 62-year-old nulliparous woman presented...

(This article belongs to the Section Obstetrics and Gynecology)
  • Case Report
  • Open Access
2 Citations
3,615 Views
7 Pages

Genetic Profiling of Malignant Melanoma Arising from an Ovarian Mature Cystic Teratoma: A Case Report

  • Kohei Nakamura,
  • Eriko Aimono,
  • Reika Takamatsu,
  • Shigeki Tanishima,
  • Tomonari Tohyama,
  • Katsutoshi Sasano,
  • Hiroshi Sakuma and
  • Hiroshi Nishihara

28 February 2021

Ovarian mature cystic teratomas comprise tissues derived from all three germ layers. In rare cases, malignant tumors arise from ovarian mature cystic teratoma. A variety of tumors can arise from mature cystic teratoma, among which primary malignant m...

(This article belongs to the Collection Feature Papers in Molecular Genetics and Genomics)
  • Case Report
  • Open Access
4 Citations
6,987 Views
7 Pages

Ovarian Clear Cell Carcinoma and Mature Cystic Teratoma Transformed to PNET and Carcinosarcoma: A Case Report with an Immunohistochemical Investigation

  • Mikiko Matsuo,
  • Chiemi Saigo,
  • Tamotsu Takeuchi,
  • Akane Onogi,
  • Naoki Watanabe,
  • Shinsuke Aikyo,
  • Hiroshi Toyoki,
  • Hiroyuki Yanai and
  • Takuji Tanaka

Ovarian tumors include neoplasms derived from somatic cells and germ cells, including teratoma. Sometimes, tumors of the somatic cell type may develop from teratoma, causing diagnostic perturbation. We experienced a case of a tumor composed of severa...

(This article belongs to the Topic Diagnostic Imaging and Pathology in Cancer Research)
  • Article
  • Open Access
2 Citations
2,896 Views
10 Pages

Ovarian Reserve After Robotic Versus Laparoscopic Single-Site Ovarian Cystectomy for Mature Cystic Teratoma: A Prospective Comparative Study

  • Seyeon Won,
  • Su Hyeon Choi,
  • Nara Lee,
  • So Hyun Shim,
  • Mi Kyoung Kim,
  • Mi-La Kim,
  • Yong Wook Jung,
  • Jin Young Paek and
  • Seok Ju Seong

29 May 2025

Objectives: This study aimed to compare the impact of robotic (RO) versus laparoscopic single-site ovarian cystectomy (LO) on ovarian reserve, as measured by changes in anti-Müllerian hormone (AMH) levels. Methods: A total of 43 women undergoing...

(This article belongs to the Special Issue Gynecological Surgery: New Clinical Insights and Challenges)
  • Review
  • Open Access
97 Citations
34,153 Views
13 Pages

Mature Cystic Teratoma: An Integrated Review

  • Luping Cong,
  • Sijia Wang,
  • Suet Ying Yeung,
  • Jacqueline Ho Sze Lee,
  • Jacqueline Pui Wah Chung and
  • David Yiu Leung Chan

Ovarian dermoid cysts, also called mature cystic teratomas (MCTs), account for 69% of ovarian germ cell tumors in young women. The tumors are formed by tissues derived from three germ layers, and sebaceous materials are most commonly seen. The origin...

(This article belongs to the Section Molecular Oncology)
  • Article
  • Open Access
2 Citations
2,609 Views
12 Pages

Comparative Ultrasonographic Evaluation of Morphology and Vascularization in Endometriomas and Ovarian Mature Cystic Teratomas

  • Aleksandar Rakić,
  • Elena Đaković,
  • Zagorka Milovanović,
  • Aleksandar Ristić,
  • Lazar Nejković,
  • Ana Đorđević,
  • Jelena Brakus,
  • Jelena Štulić,
  • Žaklina Jurišić and
  • Aleksandar Jurišić

29 September 2025

Background/Objectives: Adnexal masses are commonly encountered in the routine practice of gynecologists, and transvaginal ultrasonography is the preferred imaging modality for assessing the masses in size and complexity. There has been a notable lack...

(This article belongs to the Special Issue Current Advances in Endometriosis: An Update)
  • Article
  • Open Access
8 Citations
3,115 Views
19 Pages

Application of Ultrasound Scores (Subjective Assessment, Simple Rules Risk Assessment, ADNEX Model, O-RADS) to Adnexal Masses of Difficult Classification

  • Mar Pelayo,
  • Javier Sancho-Sauco,
  • Javier Sánchez-Zurdo,
  • Belén Perez-Mies,
  • Leopoldo Abarca-Martínez,
  • Mª Jesús Cancelo-Hidalgo,
  • Jose Antonio Sainz-Bueno,
  • Juan Luis Alcázar and
  • Irene Pelayo-Delgado

28 August 2023

Background: Ultrasound features help to differentiate benign from malignant masses, and some of them are included in the ultrasound (US) scores. The main aim of this work is to describe the ultrasound features of certain adnexal masses of difficult c...

(This article belongs to the Special Issue Imaging of Gynecological Disease 2.0)
  • Case Report
  • Open Access
1 Citations
6,544 Views
8 Pages

29 November 2024

Endometriosis is a common benign gynecologic disorder associated with infertility and pelvic pain, affecting 6–11% of reproductive-age females, and can frequently lead to the formation of ovarian endometriomas. Mature cystic teratomas are benig...

  • Interesting Images
  • Open Access
2,312 Views
7 Pages

Mucinous Carcinoma, Mucinous Borderline Tumor and Pseudomyxoma Ovarii in a Cystic Teratoma: A Histological Conundrum

  • Cinzia Giacometti,
  • Mariateresa Mirandola,
  • Camillo Aliberti,
  • Filippo Molinari,
  • Lisa Marcolini,
  • Daniele Mautone and
  • Guido Martignoni

Mature teratomas account for approximately 20% of all ovarian tumors identified in pathological studies. Benign or malignant somatic neoplasms developing within teratomas can arise from any tissue in up to 2% of mature cystic teratomas, including low...

(This article belongs to the Special Issue Pathology and Diagnosis of Gynecologic Diseases, 3rd Edition)
  • Article
  • Open Access
5 Citations
2,285 Views
10 Pages

Age-Specific Characteristics and Malignancy Risk of Ovarian Teratomas: A Retrospective Single-Centre Study

  • Su Hyeon Choi,
  • Haeng Jun Jeon,
  • Bohye Gil,
  • Seyeon Won,
  • Nara Lee,
  • Sohyun Shim,
  • Mi Kyoung Kim,
  • Yong Wook Jung,
  • Seok Ju Seong and
  • Mi-La Kim

20 August 2025

Aim: The aim of this study was to determine the age-specific characteristics of ovarian teratoma and associated malignancies. Methods: This retrospective single-centre cohort study included 2181 women with ovarian teratoma who underwent surgery at ou...

(This article belongs to the Section Oncology)
  • Case Report
  • Open Access
9 Citations
6,703 Views
9 Pages

4 September 2022

Coexistent growing teratoma syndrome (GTS) and gliomatosis peritonei (GP) arising during chemotherapy of ovarian immature teratoma (IMT) is extremely rare and can be misdiagnosed as recurrent or progressive disease. We present a 33-year-old woman dia...

(This article belongs to the Section Gynecologic Oncology)
  • Case Report
  • Open Access
6 Citations
1 Views
3 Pages

An Omental Teratoma in a Young Girl

  • Bhushan N. Wani,
  • Vishal Rathod,
  • Pankaj Banode and
  • Anil Bhole

19 December 2011

Teratoma is the most commonly encountered germ cell tumour among the most common ovarian tumours; however, teratomas of the omentum and mesentery are extremely rare. They are usually asymptomatic or can produce compressive symptoms. The imaging featu...

  • Interesting Images
  • Open Access
4 Citations
5,662 Views
4 Pages

“Black Ovaries”: An Uncommon Case of First Systemic Recurrence of Melanoma

  • Gerardo Cazzato,
  • Anna Colagrande,
  • Francesca Arezzo,
  • Leonardo Resta and
  • Giuseppe Ingravallo

Here we describe a rare case of a 48-year-old woman with a previous history of malignant melanoma (pT2a pathological stage, IB clinical stage) occurring about five years previously. She complained of abdominal pain and pelvic discomfort, diagnosed as...

(This article belongs to the Special Issue Case Reports in Oncology)
  • Case Report
  • Open Access
7 Citations
4,852 Views
13 Pages

5 November 2022

The primary ovarian carcinoid tumor is a very rare ovarian tumor, which accounts for approximately 0.5% to 1.7% of all carcinoids and 1% of ovarian cancer. According to its histopathological features, it can be divided into four categories: insular,...

(This article belongs to the Special Issue Recent Advances in Gynecologic Oncology: Diagnosis and Management)
  • Review
  • Open Access
14 Citations
8,366 Views
22 Pages

Ovarian Causes of Pseudomyxoma Peritonei (PMP)—A Literature Review

  • Sinziana Ionescu,
  • Marian Marincas,
  • Octavia Luciana Madge,
  • Irinel Gabriel Dicu-Andreescu,
  • Elena Chitoran,
  • Vlad Rotaru,
  • Ciprian Cirimbei,
  • Mirela Gherghe,
  • Adina Ene and
  • Laurentiu Simion
  • + 2 authors

9 April 2024

Background. Pseudomyxoma peritonei (PMP) is a rare, progressive, slowly growing, inadequately understood neoplasm with a 5-year progression-free survival rate of as low as 48%. It is characterized by varying degrees of malignancy and the production o...

(This article belongs to the Special Issue Advances in Ovarian Cancer Research and Treatment)
  • Case Report
  • Open Access
2,173 Views
11 Pages

Ovarian Collision Tumor in a Pediatric Patient: A Mature Teratoma Associated with a Combined Tumor Containing a Mucinous Cystadenocarcinoma Component

  • Dorotea Keretić,
  • Ivan Petračić,
  • Silvija Mašić Binder,
  • Monika Ulamec,
  • Andrea Plavec Živko,
  • Jasminka Stepan Giljević,
  • Aleksandra Bonevski,
  • Dubravko Habek and
  • Marko Bašković

10 September 2025

Background: Collision tumors, especially in the ovary, are a rare phenomenon where two distinct types of tumors develop adjacent to each other within the same organ but remain separate histologically. We present a case of the first collision ovarian...

(This article belongs to the Section Clinical Pediatrics)
  • Article
  • Open Access
8 Citations
9,480 Views
10 Pages

Background and Objectives: To introduce a new technique for fast leakage-proof, intraumbilical, single-incision laparoscopic ovarian cystectomy for huge ovarian masses (>10 cm) Materials and Methods: Seven consecutive, reproductive-aged women, inc...

(This article belongs to the Section Obstetrics and Gynecology)
  • Case Report
  • Open Access
1,205 Views
14 Pages

25 April 2026

Background and Clinical Significance: The management of large benign ovarian cysts in women of reproductive age requires balancing minimally invasive surgery with oncologic safety and preservation of ovarian function. Laparoscopic cystectomy for larg...

(This article belongs to the Section Obstetrics/Gynaecology)
  • Case Report
  • Open Access
5 Citations
4,269 Views
9 Pages

Giant Benign Struma Ovarii with High-Grade Fever, Elevated CA 125, and Hormonal Function in an Adolescent Patient

  • Ioana Anca Stefanopol,
  • Alexandru Petecariu,
  • Liliana Baroiu,
  • Anca-Iulia Neagu,
  • Roxana-Elena Bogdan-Goroftei,
  • Alexandru Nechifor,
  • Diana-Andreea Ciortea and
  • Nicolae Sarbu

Struma ovarii (SO) is a monodermal teratoma containing at least 50% thyroid tissue. Classically, SO is a hormonally inactive benign neoplasm that occurs in premenopausal women, and has unspecific clinical and imaging features. Its treatment is surgic...

(This article belongs to the Section Pediatric Surgery)
  • Case Report
  • Open Access
1 Citations
1,475 Views
9 Pages

Strumal carcinoid tumors of the ovary are rare neoplasms composed of an intimate mixture of thyroid and carcinoid tissues. Although various theories regarding their histogenesis have been proposed, evidence confirming the origin of the carcinoid comp...

(This article belongs to the Section Pathology and Molecular Diagnostics)
  • Article
  • Open Access
561 Views
11 Pages

Clinical Features of Surgically Managed Adnexal Masses in Children and Adolescents at a Tertiary Referral Center

  • Jimin Bae,
  • Hyun Kyung Kim,
  • Inha Lee,
  • SiHyun Cho,
  • Young Sik Choi and
  • Joo Hyun Park

15 April 2026

Background/Objectives: We aimed to characterize age-related clinicopathologic features, preoperative risk stratification, surgical management, and menstrual and reproductive outcomes of surgically managed ovarian and adnexal masses in children and ad...

(This article belongs to the Section Pediatric Surgery)