Spleen

Nyland, Thomas G.; Mattoon, John S.

doi:10.1016/b978-1-4160-4867-1.00010-6

Cited by 14 publications

(29 citation statements)

References 70 publications

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“…Any further abnormal CT features were noted. Computed tomography criteria assessed were based on CT descriptions from previous case reports and from expected appearance based on ultrasonographic and radiographic descriptions . The data is presented with descriptive statistics completed by the first author (J.H.)…”

Section: Methodsmentioning

confidence: 99%

“…Most are diagnosed as part of an investigation into abdominal discomfort, distension, a palpable abdominal mass or when investigating acute gastrointestinal clinical signs. Traditionally, abdominal ultrasound has been the imaging modality of choice for diagnosis and characteristic findings have been previously reported, including: splenomegaly, atypical splenic position, splenic intravenous thrombosis, absent, or minimal intra‐splenic blood flow on color Doppler, diffuse hypoechogenic splenic parenchyma with prominent linear/lacy echogenic separations or a “starry sky” pattern, a hilar perivenous hyperechoic triangle and abdominal free fluid …”

Section: Introductionmentioning

confidence: 99%

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CT characteristics of primary splenic torsion in eight dogs

Hughes

Johnson²,

Genain

2020

Vet Radiology Ultrasound

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Splenic torsion is a rare potentially life‐threatening condition characterized by rotation of the spleen around the gastrosplenic and phrenosplenic ligaments leading to occlusion of venous drainage and arterial supply. This retrospective study describes the CT characteristics for dogs with surgically confirmed splenic torsion from 2013 to 2018 using the submissions to a large multinational teleradiology database. Eight dogs had the splenic torsion confirmed with surgery. Seven of eight cases had histology confirming congestion, hemorrhage, and necrosis, and one had concurrent myelolipoma infiltration. The CT characteristics included an enlarged (8/8), rounded (7/8), folded C‐shaped spleen (8/8) with a difference of median parenchymal attenuation between pre‐ and postcontrast of +1.15 HU (Hounsfield units). Other common features included a mainly homogeneous parenchyma on pre‐ and post‐contrast images (6/8), lack of subjective and objective vascular and parenchymal contrast enhancement (6/8) and free peritoneal fluid (6/8). A “whirl sign” was seen in the majority of cases (7/8) alongside a strongly hyperattenuating center (95‐416 HU) on the precontrast images (5/7), which has not been previously described in the veterinary literature. Gastric position was normal in all cases. More variable CT characteristics of the confirmed torsions were attributable to suspected partial torsion and myelolipomatous infiltration. Overall, primary splenic torsion confirmed with surgery showed consistent characteristics on CT.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

CT characteristics of primary splenic torsion in eight dogs

Hughes

Johnson²,

Genain

2020

Vet Radiology Ultrasound

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“…Bei der Manifestation des malignen Lymphoms in der Milz lassen sich verschiedene sonographische Veränderungen detektieren. Neben einer generalisierten Splenomegalie kann eine diffuse und homogen reduzierte Echogenität des Parenchyms festgestellt werden (10,(13)(14)(15). Auch eine generalisierte Zunahme der Echogenität der Milz, im Vergleich zur linken Nierenrinde, ist möglich (13).…”

Section: Introductionunclassified

“…Neben einer generalisierten Splenomegalie kann eine diffuse und homogen reduzierte Echogenität des Parenchyms festgestellt werden (10,(13)(14)(15). Auch eine generalisierte Zunahme der Echogenität der Milz, im Vergleich zur linken Nierenrinde, ist möglich (13). Das Parenchym kann von fokalen oder multifokalen hypoechogenen oder komplexen Läsionen durchsetzt sein (13,15).…”

Section: Introductionunclassified

“…Auch eine generalisierte Zunahme der Echogenität der Milz, im Vergleich zur linken Nierenrinde, ist möglich (13). Das Parenchym kann von fokalen oder multifokalen hypoechogenen oder komplexen Läsionen durchsetzt sein (13,15). Beschrieben wurden ferner schlecht berandete, anechogene bis hypoechogene Areale im Milzparenchym, die homogen verteilt sind (3,10,13,15,22).…”

Section: Introductionunclassified

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