2022
DOI: 10.3389/fvets.2022.1003673
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Case report: Mature extragonadal teratoma at the proximal part of the tail in a kitten

Abstract: An 8-month-old, intact male, domestic shorthair cat was referred for a mass on the proximal ventral part of the tail which had been found since the animal was born, and due to the presence of a linear fissure with rows of ectopic teeth, the veterinarian suspected that the mass had recently ruptured. Tail amputation was elected and the entire mass was successfully surgically excised. From the gross examination, this mass had an open cyst-like structure with a prominent area composed of hair, teeth, and bone. Hi… Show more

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Cited by 5 publications
(7 citation statements)
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“…The word “teratoma” is derived from the Greek word “teraton,” meaning monster, and it was coined by Virchow in 1863 ( Comerci et al ., 1994 ). Teratomas are complex neoplasms arising from more than one embryonic germ layer, composed of a variety of unorganized, differentiated, or undifferentiated tissues originating from ectoderm (hair, teeth, and nervous tissue), mesoderm (fibrous or adipose tissue, bone, muscle, and cartilage), and endoderm (respiratory tissue and salivary gland) ( Sirivisoot et al ., 2022 ). Most teratomas arise in the gonads, though occasionally, they may develop in extragonadal sites, such as the anterior mediastinum, retroperitoneal, and gastrointestinal tract.…”
Section: Discussionmentioning
confidence: 99%
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“…The word “teratoma” is derived from the Greek word “teraton,” meaning monster, and it was coined by Virchow in 1863 ( Comerci et al ., 1994 ). Teratomas are complex neoplasms arising from more than one embryonic germ layer, composed of a variety of unorganized, differentiated, or undifferentiated tissues originating from ectoderm (hair, teeth, and nervous tissue), mesoderm (fibrous or adipose tissue, bone, muscle, and cartilage), and endoderm (respiratory tissue and salivary gland) ( Sirivisoot et al ., 2022 ). Most teratomas arise in the gonads, though occasionally, they may develop in extragonadal sites, such as the anterior mediastinum, retroperitoneal, and gastrointestinal tract.…”
Section: Discussionmentioning
confidence: 99%
“…Most teratomas arise in the gonads, though occasionally, they may develop in extragonadal sites, such as the anterior mediastinum, retroperitoneal, and gastrointestinal tract. Extragonadal teratoma develops from primordial germ cells misplaced during their migration to gonads ( De Felici et al ., 2021 ; Sirivisoot et al ., 2022 ).…”
Section: Discussionmentioning
confidence: 99%
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“…Predominantly extragonadal teratomas, including those with intracranial localization, have been found in birds (de Oliveira et al., 2017; Hooper, 2008; Lopez & Murcia, 2008; Schelling, 1994). Most teratomas found in mammals are located intragonadal, but extragonadal teratomas have been reported (Meuten, 2002; Moore et al., 2003; Schelling & Morton, 2015; Sirivisoot et al., 2022).…”
Section: Introductionmentioning
confidence: 99%
“…Teratomas usually appear in the gonads and can occur in the extragonadal tissues. In cats, six extragonadal teratomas have been reported: intracranial, head, retrobulbar, coccygeal, tail, and perineal regions [ 4 , 6 , 11 , 16 , 23 , 25 ], five of which were less than 1 year old. Oropharyngeal teratomas are only two cases that have been reported in veterinary medicine and have never been reported in cats [ 7 , 8 ].…”
mentioning
confidence: 99%