Liposarcoma of the spermatic cord in a Toy Poodle

Noh, Daji; Choi, Wooson; Son, Woo‐Chan; Lee, Manhee; Park, Seungchun; Lee, Kija

doi:10.1292/jvms.17-0357

Cited by 4 publications

(4 citation statements)

References 19 publications

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“…Liposarcoma is a rare, malignant, fatty tumor that usually arises within the subcutaneous tissue of the axial and appendicular skeleton in dogs 1–5 . In veterinary medicine, there are three histological subtypes of liposarcomas: well‐differentiated, myxoid, and pleomorphic 6,7 . Intrahepatic metastasis has been documented in both pleomorphic and myxoid forms in dogs 3,6 .…”

Section: Discussionmentioning

confidence: 99%

“…[1][2][3][4][5] In veterinary medicine, there are three histological subtypes of liposarcomas: well-differentiated, myxoid, and pleomorphic. 6,7 Intrahepatic metastasis has been documented in both pleomorphic and myxoid forms in dogs. 3,6 In human medicine, the well-differentiated type is the least likely to metastasize, the myxoid variety is most likely to metastasize to an extracutaneous site, 8,9 and the pleomorphic form is the most aggressive.…”

Section: Final Diagnoses and Outcomementioning

confidence: 99%

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Computed tomographic features of an axillary liposarcoma with hepatic metastasis

Biedak

Graham

Faissler

et al. 2023

Vet Radiology Ultrasound

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A geriatric dog presented for lethargy, dyspnea, and urinary incontinence. Thoracic radiographs demonstrated a large, mixed fat, and soft tissue opaque axillary mass and a pulmonary mass. Computed tomography (CT) further characterized these masses and revealed innumerable fat‐attenuating hepatic masses and cranial mediastinal lymphadenopathy. Histopathology of the axillary and hepatic masses confirmed grade two primary axillary liposarcoma with hepatic metastasis. Cytology of the pulmonary mass was consistent with a pulmonary carcinoma. This is the first published CT description of fat‐attenuating metastatic hepatic liposarcoma in a dog.

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Section: Discussionmentioning

confidence: 99%

Section: Final Diagnoses and Outcomementioning

confidence: 99%

Computed tomographic features of an axillary liposarcoma with hepatic metastasis

Biedak

Graham

Faissler

et al. 2023

Vet Radiology Ultrasound

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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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“…Liposarcomas are locally invasive tumours, but metastasize infrequently [1][2][3][4][5][6][7]. They are reported most commonly in the axial and appendicular regions, [1,3,6,[8][9][10] but some cases of liposarcomas within the viscera have been reported [3,4,[6][7][8][9]11]. 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].…”

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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Liposarcoma of the spermatic cord in a Toy Poodle

Cited by 4 publications

References 19 publications

Computed tomographic features of an axillary liposarcoma with hepatic metastasis

Computed tomographic features of an axillary liposarcoma with hepatic metastasis

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

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