What Is Your Diagnosis?

Sweeney, Joseph T.; Oura, Trisha J.; Wulster, Kathryn B.; Aarsvold, Stacie

doi:10.2460/javma.248.11.1235

Cited by 2 publications

(15 citation statements)

References 6 publications

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“…Although torsion of the right cranial, 5,14 left cranial 10–12,16,18 and left caudal lung lobes is reported, 2 the right middle lobe is predominantly affected in cats with LLT. 5,7–10,13,17,18 A possible explanation is that the cranial and middle lung lobes are prone to torsion as they lack supportive pulmonary ligaments that secure the caudal lung lobes to the caudal mediastinum.…”

Section: Discussionmentioning

confidence: 99%

“…1,[4][5][6] Only 20 cases of LLT in cats have been reported in the past 50 years. 2,5,[7][8][9][10][11][12][13][14][15][16][17][18] Aetiology is available for 15 of these cats: five were considered idiopathic and 10 secondary to underlying disease, including pulmonary carcinoma, mediastinal lymphoma, chronic asthma, fibrosing pleuritis, cardiac disease, chylothorax, pyothorax, chronic traumatic diaphragmatic hernia and peritoneopericardial diaphragmatic hernia (PPDH). 2,5,[7][8][9][10][11][12][13][14][15][16][17][18] LLT in humans is an uncommon condition predominantly occurring secondary to thoracic surgery (62%), with the right middle lung lobe being the most affected after right upper lobectomy or transplant.…”

Section: Introductionmentioning

confidence: 99%

“…1,5,15,19,24 Torsed lobe(s) are removed without de-rotation, as de-rotation increases the risk of reperfusion injury and poorer outcomes in humans. 19,25 The prognosis for cats undergoing surgical intervention is considered excellent, with all such cases described in previous reports surviving to discharge, 2,[7][8][9][10][11][12][13][14]18 and 87.5% of cats alive and clinically normal at 3-10 months of follow-up. [8][9][10][11][12][13][14]18 However, when considering preoperative and post-discharge mortality, the overall mortality rate for cats with LLT is 37.5%.…”

Section: Introductionmentioning

confidence: 99%

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Clinical characteristics and long-term outcome of lung lobe torsions in cats: a review of 10 cases (2000–2021)

Tindale

Cinti²,

Cantatore

et al. 2021

Journal of Feline Medicine and Surgery

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Case series summary Lung lobe torsion is rare in cats. The aim of this multi-institution retrospective study was to describe clinical and diagnostic findings, treatments and outcomes of lung lobe torsion (LLT) in 10 cats. Dyspnoea and tachypnoea were the most common clinical signs. Pleural effusion was present in nine cats at presentation. Fluid analysis confirmed chylothorax in three cats. Nine cats underwent CT and five cats had thoracic radiographs taken. A diagnosis was made preoperatively in six cats, while in the other four cats it was made at exploratory thoracotomy. Affected lung lobes were the right cranial (n = 4/11), left cranial (n = 4/11) and right middle (n = 3/11). One cat had a concurrent torsion of two lung lobes. Lung lobectomy was successfully performed in all cases. Based on clinical, diagnostic and lung histopathology findings, three cats had idiopathic and seven cats secondary LLT. Intraoperative complications included hypotension and hypothermia in four and five cats, respectively. Postoperative complications occurred in six cats and lead to euthanasia or death in four cats, whereas complications resolved in the other two cats. Three cats were euthanased within 5 weeks of discharge. For the three cats surviving long term, including one euthanased at 252 days postoperatively, owner-described outcomes and quality of life were considered good to excellent. Relevance and novel information Secondary LLT associated with underlying thoracic pathology was associated with high complication rates and poor outcomes. Long-term outcomes of cats undergoing surgery for LLT and surviving the perioperative period were deemed good to excellent.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Clinical characteristics and long-term outcome of lung lobe torsions in cats: a review of 10 cases (2000–2021)

Tindale

Cinti²,

Cantatore

et al. 2021

Journal of Feline Medicine and Surgery

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“…In dogs and cats, the most common affected lobes are the right middle and left cranial lobes, and torsion of multiple lobes rarely occurs. 5,12,19 No characteristically affected lobe in humans has been reported. 13 The most common presentation in marmosets remains unclear, given that this report is the first description of this morbidity in a NHP.…”

Section: Discussionmentioning

confidence: 99%

“…20 LLT can occur spontaneously; underlying conditions, such as respiratory disease, history of thoracic surgery, pneumothorax, and trauma, which can change the spatial relationship among lung lobes, are associated with increased risk of developing LLT. 8,13 Although multiple cases of LLT in companion dogs and cats have been published, 12,14,19 the occurrence of LLT in an experimentally unmanipulated laboratory animal has not previously been reported. Here we describe the clinical progression of spontaneous LLT in a laboratory-reared adult male common marmoset.…”

mentioning

confidence: 99%

Lung Lobe Torsion in an Adult Male Common Marmoset (Callithrix jacchus)

et al. 2018

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A 6-y-old, intact, pair-housed male common marmoset (Callithrix jacchus) presented with acute onset dyspnea and tachypnea immediately after sedation with alfaxalone; a history of gradual weight loss initiated the examination under sedation. Thoracic radiographs revealed significant right-lung consolidation, with a vesicular gas pattern in the right caudodorsal lung field, pleural effusion, and dorsal displacement of the heart. The marmoset was euthanized due to his unstable condition and poor prognosis. At necropsy, the cranial and middle lobes of the right lung were homogenously dark red-brown, enlarged, edematous, and twisted around the longitudinal axis at the hilus. The left lung lobes were pale pink and slightly edematous. In light of the clinical and gross necropsy findings, acute torsion of the right cranial and middle lung lobes was diagnosed. Predisposing conditions for lung lobe torsion include trauma, neoplasia, pulmonary disease, previous thoracic surgery, and diaphragmatic hernia, but none of these applied to this case. Initial therapy for lung lobe torsion is to stabilize the patient and treat for underlying conditions, with prompt surgical resection as the treatment of choice. To our knowledge, this report is the first description of lung lobe torsion in an experimentally unmanipulated New World NHP.

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What Is Your Diagnosis?

Cited by 2 publications

References 6 publications

Clinical characteristics and long-term outcome of lung lobe torsions in cats: a review of 10 cases (2000–2021)

Clinical characteristics and long-term outcome of lung lobe torsions in cats: a review of 10 cases (2000–2021)

Lung Lobe Torsion in an Adult Male Common Marmoset (Callithrix jacchus)

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