DIAGNOSTIC IMAGING of the Loggerhead Sea Turtle, Caretta caretta

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DIAGNOSTIC IMAGING of the Loggerhead Sea Turtle, Caretta caretta.
By Ana Luisa Schifino Valente

Pages: 137
Publisher: --
Edition: 2007
Language: English
ISBN: --

Description

The aims of this work are:
1. To provide the normal cervical and coelomic radiographic appearance of the Loggerhead sea turtle, in the dorso-ventral view, as well as other useful landmarks, to allow for correlation of shell scutes with internal anatomic structures.
2. To provide the normal radiographic anatomy of the limbs of the Loggerhead sea turtle in combination with data obtained from computed tomography - osteological, gross anatomical and histological data.
3. To describe the normal ultrasonographic appearance of cervical structures and coelomic organs of the Loggerhead sea turtle, and to provide the respective images of frozen cross-sections for anatomical reference.
4. To provide normal computed tomographic images of the vertebral column and coelomic structures of the Loggerhead sea turtle, by establishing reference standards for organ size and position in this species; to provide images of virtual tracheo-bronchoscopy and 3D reconstructions of the respiratory tract and bone structures.
5. To provide the normal magnetic resonance imaging (MRI) appearance of coelomic structures of Loggerhead sea turtles in T1 and T2-weighted scans via comparison with cross-sectional anatomic sections of this species.

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[MotokoMotoko is verified member.]

NORMAL ULTRASONOGRAPHIC IMAGING OF THE LOGGERHEAD SEA TURTLE
By Ana Luisa Schifino Valente

Pages: 16
Publisher: --
Edition: 2007
Language: English
ISBN: --

Description

This work describes the normal ultrasonographic appearance of cervical structures and coelomic organs of loggerhead sea turtles. Twenty live, and five dead juvenile and subadult loggerhead sea turtles were studied. Ten soft-tissue areas of integument were used as acoustic windows: cervical-dorsal and cervical-ventral, left and right cervicobrachial, left and right axillary, left and right prefemoral and left and right postfemoral acoustic windows. Anatomical cross-sections were performed on the dead turtles to provide reference data. The fourth and fifth cervical vertebrae, the spinal cord, and the venous sinuses of the external jugular vein are clearly seen on the cervical-dorsal acoustic window. On the cervicalventral
acoustic window, the esophagus and the heart were imaged. The stomach was more frequently seen through the left axillary acoustic window. Although the liver could be imaged through both sides, the right axillary acoustic window was the most indicated to see the gallbladder. The large and small intestines and the kidneys could be seen in the right and left prefemoral acoustic windows; the latter were easily identified due to the intense renal vasculature. This study shows that ultrasonography is a useful tool for diagnosis in juvenile and subadult loggerhead sea turtles.

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