Well-differentiated liposarcoma with chondroid metaplasia in the auricle of a dog

Tomita, Nagi; Sunden, Yuji; Okamoto, Yoshiharu; Morita, Takehito

doi:10.1292/jvms.17-0168

Cited by 4 publications

(3 citation statements)

References 11 publications

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“…Liposarcomas are most commonly reported in the axial and appendicular regions and rarely within the viscera 3,6 . Presence of liposarcoma at the pinna, 9 tongue 10 and the spermatic cord, 11 and periurethral liposarcoma, 12 as well within the radius, 5 have been described in the veterinary literature. In addition, compression of an intradural myxoid liposarcoma has been reported 13 …”

Section: Discussionmentioning

confidence: 99%

Urethral stenting in a dog due to compression and invasion by a liposarcoma

Brückner

2022

Vet Record Case Reports

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An approximately 10‐year‐old, mixed breed, entire male dog was referred for acute onset of urethral obstruction. Abdominal ultrasound was unremarkable, complete blood count, serum biochemical analysis and urine analysis were all unremarkable. A retrograde urethrogram demonstrated narrowing of the urethral lumen caudal to the ischiadic arc. Urethral stenting with a self‐expanding nitinol stent was performed and the patient was without symptoms over a 6‐month period. After that time, ingrowth of tissue into the stent lumen could be seen via a new retrograde urethrogram; therefore, a covered stent was placed into the previously placed uncovered stent. Clinical signs resolved immediately. Another contrast study 4 months later demonstrated almost complete obstruction at the distal end of the stent. Scrotal ablation with perineal urethrostomy was performed and tissue samples submitted for histopathology. Liposarcoma was diagnosed. The patient was urinating without problems, but suddenly died at home 1 week after the last surgery.

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Section: Discussionmentioning

confidence: 99%

Urethral stenting in a dog due to compression and invasion by a liposarcoma

Brückner

2022

Vet Record Case Reports

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“…In rare cases, these tumours can arise from the bone marrow in dogs, (2)(3)5) resulting in extradural spinal liposarcoma [12] or intradural-extramedullar liposarcoma [13]. Lingual liposarcoma [14] and auricular liposarcoma [15] have also been reported.…”

Section: Introductionmentioning

confidence: 99%

Surgical management of urethral obstruction secondary to perineal liposarcoma in a dog: a case report

Korytárová,

Bosch,

Klass

et al. 2024

BMC Vet Res

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Background Swelling of the perineal region in male dogs is most commonly caused by a perineal hernia. Clinical signs associated with perineal hernia are constipation, tenesmus or stranguria. This case report documents a rare cause of perineal swelling created by the growth of a malignant tumour leading to urethral obstruction and subsequent stranguria. Case presentation An 11-year-old neutered male German Shepherd was presented for swelling in the perineal region and stranguria for three days. Complete blood count and serum biochemistry were unremarkable. Ultrasound revealed a heterogeneous mass in the perineal region. Retrograde urethrography showed a severe narrowing of the urethra caudal to the pelvis. A fine-needle aspirate of the mass was highly suspicious for liposarcoma. Staging was performed by computed tomography (CT) of the thorax and abdomen. Total penile amputation in combination with pubic-ischial pelvic osteotomy, transposition of the remaining urethra through the inguinal canal, V-Y-plasty cranial to the prepuce and preputial urethrostomy were performed to remove the tumour. Histopathology confirmed a well-differentiated liposarcoma with complete histological margins. Six months after the surgery the dog was doing well and there were no signs indicating local tumour recurrence. Conclusions Wide surgical excision is generally recommended for soft tissue sarcomas, however this is sometimes not feasible for large tumours. In the case reported here, tumour resection was achieved by a combination of several surgical techniques with a good clinical outcome.

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“…El liposarcoma bien diferenciado ha sido reportado en macacos (Doane et al, 2017), en tanto que en caninos se ha reportado un liposarcoma de alto grado mixoide (Plumlee et al, 2016), uno bien diferenciado (Naveen et al, 2019) y otro similar pero con metaplasia condroide (Tomita et al, 2017). De otra parte, uno bien diferenciado e inflamatorio en un gato (Alvarez et al, 2017) y un liposarcoma metastásico en un lobo marino (Pervin et al, 2016).…”

Section: Introductionunclassified

Liposarcoma mixoide pulmonar en una vaca Holstein

Parra

Sanmiguel

2021

Rev. investig. vet. Perú

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Se remitió una vaca Holstein de 14 años a la Clínica de Grandes Animales de la Universidad de La Salle, Bogotá, Colombia, procedente de una lechería en Sopo, Cundinamarca, con historial de anorexia, afección respiratoria muy marcada y agotamiento físico asociado a la disnea. Al examen clínico se evidencia fiebre (39.9 ºC), taquicardia (103 latidos por minuto), taquipnea (50 respiraciones por minuto), disnea mixta con respiración abdominal, estertores y sibilancias a lo largo del límite pulmonar, presencia de amplias zonas de consolidación pulmonar y secreción nasal bilateral mucopurulenta, emitiendo como diagnóstico presuntivo una neumonía mucopurulenta severa. Por decisión del propietario, se realiza eutanasia y necropsia del paciente, encontrando una gran parte de los lóbulos pulmonares con una textura acartonada, múltiples masas color “verde amarillento” de diversos tamaños y de manera difusa en todos los lóbulos pulmonares. Los resultados de histopatología reportaron como diagnóstico definitivo un liposarcoma mixoide pulmonar.

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Well-differentiated liposarcoma with chondroid metaplasia in the auricle of a dog

Cited by 4 publications

References 11 publications

Urethral stenting in a dog due to compression and invasion by a liposarcoma

Urethral stenting in a dog due to compression and invasion by a liposarcoma

Surgical management of urethral obstruction secondary to perineal liposarcoma in a dog: a case report

Liposarcoma mixoide pulmonar en una vaca Holstein

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