Journal of Feline Medicine and Surgery Open Reports

In cats, the most common eosinophilic dermatoses are feline miliary dermatitis and eosinophilic granuloma complex. The most commonly identified underlying cause is a hypersensitivity reaction. Few cases of familial forms of eosinophilic dermatoses are reported in the literature. Two young adult cats from the same litter presented 2 years apart with a severe and chronic fluid or tissue infiltration of the distal part of several limbs. Lesions started on the forelegs and developed on the other limbs. Cytological and histopathological examinations showed lesions consistent with an atypical form of feline eosinophilic dermatosis associated with secondary bacterial infection. In both cats, antibiotics combined with immunosuppressive treatment partially improved the lesions, which continued to progress on a waxing and waning course, even in the absence of treatment. Allergy work-up did not permit the identification of an underlying allergic triggering factor. The severity of the lesions, the unusual presentation and the unsatisfactory response to immunosuppressive therapy in two feline littermates suggested a genetic form of eosinophilic dermatosis.

Charline Pressanti

Marie-Christine Cadiergues

Feline familial pedal eosinophilic dermatosis in two littermates

两只同窝猫的家族性足部嗜酸性皮炎

Case summary A 7-year-old castrated male domestic shorthair cat was presented for surgical intervention for obstructive pancreatolithiasis. The patient had a history of chronic weight loss, vomiting and lethargy. Elevation of feline pancreas-specific lipase and a marked decrease in cobalamin were documented on blood biochemistry. Abdominal ultrasound revealed an enlarged right pancreatic limb with a dilated central duct and multiple pancreatoliths visualized within, consistent with partial pancreatic duct obstruction. The patient was successfully treated with a minor duodenal papilla construction using a 2.5 Fr double pigtail ureteral stent. Relevance and novel information Pancreatolithiasis is an exceptionally rare condition in veterinary medicine, particularly in cats, with only a few reported cases. Given its low incidence, there is no established consensus regarding the best therapeutic options in clinical practice. This case report outlines the successful application of a locking loop catheter to re-establish the patency of a pancreatic duct. Notably, this is the first documented use of this technique for the surgical management of obstructive pancreatolithiasis.

Lydia Chang

Jim A Taylor

Use of a double pigtail ureteral stent for surgical management of obstructive pancreatolithiasis in a feline patient

双猪尾输尿管支架在猫阻塞性胰腺结石手术管理中的应用

Case summary This case report describes the clinical and pathological features of telangiectatic osteosarcoma (TOS) with brain invasion in a 4-year-old female domestic shorthair cat. The cat presented with respiratory distress, epistaxis, anorexia and significant nasal obstruction. A rhinoscopy revealed an amorphous white neoformation in the left nasal cavity. Despite treatment, the cat’s condition deteriorated and it succumbed to the disease. Necropsy and histopathologic examination revealed an infiltrative malignant neoplasm with osteoid matrix and sarcomatous cells surrounding blood-filled non-vascular spaces. Immunohistochemistry showed positive staining for bone cell markers and vimentin, while endothelial markers were negative, confirming TOS. Relevance and novel information Nasal diseases in cats present significant diagnostic challenges due to similar clinical signs, such as respiratory distress and nasal discharge. Nasal osteosarcomas are rare, and TOS is the rarest subtype, characterized by blood-filled spaces within an aggressive osteolytic lesion. This case highlights the diagnostic complexities and poor prognosis associated with TOS in cats, emphasizing the need for advanced imaging and immunohistochemical tests for accurate diagnosis. Given the aggressive nature and rapid progression of TOS, it should be considered in differential diagnoses of feline nasal obstructive lesions.

Anahi Souza Silva

Ana Lívia Vasconcelos de Sousa

Nanci Sousa Nilo Bahia Diniz

Isabel Luana de Macêdo

Jair Duarte da Costa Júnior

Christine Souza Martins

Cristiano Barros de Melo

Márcio Botelho de Castro

Nasal telangiectatic osteosarcoma with direct extension to the brain in a domestic shorthair cat

鼻部毛细血管扩张型骨肉瘤伴直接脑扩展的短毛家猫病例

Case summary A cat aged 12 years and 7 months was referred to a multidisciplinary hospital for investigation of feline injection site sarcoma (FISS) on the left thoracolumbar region. A CT examination of the mass revealed a multi-lobulated mass affecting the body wall, extending from the level of lumbar vertebrae L2 to L4. The mass was excised with 5 cm lateral margins, including resection of the 13th left rib, the caudal edge of the latissimus dorsi (LD) muscle, full-thickness abdominal wall and sections of the lumbar epaxial muscles. To reconstruct the defect, a combination of muscle flaps was used. This included diaphragmatic advancement and lateralisation, rotation of the LD, and creation of transposition flaps from the internal abdominal oblique and external abdominal oblique muscles, ensuring closure without tension. Skin closure required mobilising an inguinal flank fold flap. The cat was discharged from hospital 3 days postoperatively. Histopathology confirmed a diagnosis of FISS with clean wide margins. A gradual return to normal activity and complete healing of the surgical site was reported on follow-up, with one minor complication related to the skin flap (bruising at the base of the inguinal flank fold flap). Relevance and novel information This report describes the use of the aforementioned combination of muscle flaps to close a major abdominal wall defect in a cat with an excellent outcome. Practitioners can consider this technique when planning tissue reconstruction after FISS resection.

Kiren Kooner

Carlos Rubiños

Reconstruction of a body wall defect using diaphragm lateralisation and advancement, latissimus dorsi, and internal and external abdominal oblique muscle flaps in a cat

使用膈肌侧移和推进、背阔肌以及腹内外斜肌肌瓣重建猫体壁缺损

Case summary A 1-year-old spayed female domestic British Shorthair cat was presented for facial trauma; there were multiple mandibular fractures involving the right temporomandibular joint (TMJ) that were managed conservatively. After 2 months, the owner reported a gradual onset of the cat’s inability to open its mouth and subsequent inappetence. The maximum mouth opening (MMO) measured 7 mm. CT showed ankylosis of the TMJ, and surgical treatment with caudal segmental mandibulectomy (CSM) was performed. The cat had a rapid postoperative recovery and returned promptly to spontaneous eating, with a nearly normal MMO of 33 mm. A CT scan performed 3 months postoperatively showed a mild rightward deviation of the mandible, and a clearly visible non-ossified ostectomy gap between the body and the ramus of the right mandible. The cat continued to eat spontaneously without dysphagia following surgery and was asymptomatic 1 year postoperatively. Relevance and novel information To the authors’ knowledge, this is the first report describing the tomographic findings after CSM, as compared with the clinical outcome. Postoperative CT is indicated to confirm the success of the procedure and to assess TMJ ankylosis sequalae or complications of the CSM surgical site at an early stage. This report confirmed the effectiveness of CSM in resolving TMJ stiffness due to articular fractures or ankylosis with a good clinical and tomographic outcome.

Stefania Pinna

Luca Ciammaichella

Chiara Tassani

Chiara Ferrari

Simone Perfetti

Effectiveness of caudal segmental mandibulectomy in a cat: clinical and tomographic outcomes

猫下颌尾侧节段切除术的有效性：临床和断层影像结果

Case summary A 13-year-old castrated male American Shorthair cat was referred for evaluation following a 3-week history of poor balance and decreased activity. The MRI findings revealed a well-defined left caudal cerebellar mass with a diameter of 1.2 cm, consistent with a meningioma. CT and MRI scans did not reveal metastasis. After a suboccipital craniotomy, the mass was resected subtotally as a result of parenchymal invasion. A histopathological examination revealed a benign fibrous meningioma with invasion into the cerebellum at the tumour margins. Postoperatively, the cat remained asymptomatic for 25 months, but ataxia recurred, and tumour recurrence was confirmed using MRI and post-mortem examination. Relevance and novel information This case demonstrates that even feline meningiomas with benign features can exhibit brain invasion. Since brain invasion is an indicator of malignancy in meningioma, a detailed histopathological evaluation of the tumour margins is essential for accurate grading and prognosis.

Abbreviation	J. Feline Med. Surg. Open Rep.
Journal Impact	0.72
Quartiles(Global)	VETERINARY SCIENCES(Q3)

ISSN	2055-1169
h-index	14

Publication Information	Publisher: SAGE Publications Ltd，Publishing cycle: ，Journal Type: journal，Open Access Journals: Yes
Basic data	Year of publication: 2015，Proportion of original research papers: 100.00%，Self Citation Rate:14.30%， Gold OA Rate: 89.73%
Journal Fees	$700Details
Average review cycle	网友分享经验：15 Weeks

Journal of Feline Medicine and Surgery Open Reports

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Feline familial pedal eosinophilic dermatosis in two littermates

Use of a double pigtail ureteral stent for surgical management of obstructive pancreatolithiasis in a feline patient

Nasal telangiectatic osteosarcoma with direct extension to the brain in a domestic shorthair cat

Reconstruction of a body wall defect using diaphragm lateralisation and advancement, latissimus dorsi, and internal and external abdominal oblique muscle flaps in a cat

Effectiveness of caudal segmental mandibulectomy in a cat: clinical and tomographic outcomes

Use of a double pigtail ureteral stent for surgical management of obstructive pancreatolithiasis in a feline patient

Nasal telangiectatic osteosarcoma with direct extension to the brain in a domestic shorthair cat

Reconstruction of a body wall defect using diaphragm lateralisation and advancement, latissimus dorsi, and internal and external abdominal oblique muscle flaps in a cat

Effectiveness of caudal segmental mandibulectomy in a cat: clinical and tomographic outcomes

Brain invasion by an otherwise benign meningioma in a cat