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1.
Skeletal Radiol ; 53(4): 805-809, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-37658863

RESUMO

Many anatomical variations have been described in the menisci, especially in the lateral meniscus. Among these, discoid meniscus is the most common variation. Others are described in the literature as double-layered meniscus, accessory meniscus, ring-shaped meniscus, and hypoplastic meniscus. Also, combined variations associated with ring-shaped meniscus have been described, and they can be confused with fragmented complex tears and cause unnecessary surgery. Increasing awareness of the imaging features of these accompanying combined variations may aid in the recognition and differentiation of this entity from meniscus tears. We report the case of a ring-shaped meniscus and accompanying intermeniscal bridge meniscus, which has not been described before in the literature, highlighting the MRI and arthroscopic imaging findings of it.


Assuntos
Artropatias , Lesões do Menisco Tibial , Humanos , Artroscopia , Estudos Retrospectivos , Meniscos Tibiais/diagnóstico por imagem , Meniscos Tibiais/cirurgia , Articulação do Joelho , Lesões do Menisco Tibial/diagnóstico por imagem , Lesões do Menisco Tibial/cirurgia , Imageamento por Ressonância Magnética/métodos
2.
BMJ Case Rep ; 16(3)2023 Mar 07.
Artigo em Inglês | MEDLINE | ID: mdl-36882266

RESUMO

Cystic mesothelioma, also known as benign multicystic peritoneal mesothelioma (BMPM), is a rare neoplasm and one of the five main histological types of peritoneal mesothelioma. Although it is usually considered benign histologically, it is increasingly accepted as a 'borderline malignancy' because the local recurrence rate is high. It is more common in middle-aged women and is generally asymptomatic. Considering that BMPM is often found in the pelvis, it is difficult to differentiate from other pelvic and abdominal lesions, such as cystic ovarian masses, especially mucinous cystadenoma-adenocarcinoma, pseudomyxoma peritonei, etc. Preoperative diagnosis is very difficult due to its rarity and lack of specific diagnostic imaging and clinical findings. Definitive diagnosis is made only by pathological evaluation. In this article, we aimed to present the imaging findings of a BMPM case in a woman who was diagnosed with mucinous ovarian neoplasm with pseudomyxoma peritonei preoperatively and underwent cytoreductive surgery with hyperthermic intraperitoneal chemotherapy.


Assuntos
Neoplasias Gastrointestinais , Mesotelioma Cístico , Mesotelioma , Neoplasias Ovarianas , Neoplasias Peritoneais , Pseudomixoma Peritoneal , Pessoa de Meia-Idade , Feminino , Humanos , Pseudomixoma Peritoneal/diagnóstico , Mesotelioma Cístico/diagnóstico , Mesotelioma Cístico/cirurgia , Neoplasias Ovarianas/diagnóstico , Neoplasias Peritoneais/diagnóstico por imagem , Mesotelioma/diagnóstico
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