engleski

Paleoradiological analysis of the mummy Shepenun from the Archeological Museum in Zagreb, Croatia

Mummy Shepenun is dated to Ptolomaic period and it is part of permanent exhibition in Archeological Museum in Zagreb. Methods and Materials: Specimen was scanned at Dubrava University Hospital, University Department of Diagnostic and Interventional Radiology Zagreb, Croatia. X ray of the mummy was done in two directions. CT scan was done using 16x0.75 collimation using a MDCT unit with 16 rows of detectors. A three dimensional MRI scan, spoiled gradient echo based ultra-short echo time sequence was performed on a 1.5 Tesla scanner. The echo time was set to 0.07 ms, repetition time to 15 ms and the flip angle to 45⁰. 40000 radial projections were used for reconstruction of 256 slices of 1.3x1.3x1.3mm3 isotropic resolution. Results Mummy was a female person who was at least 40 years at time of death. No metal findings were found and abundant linen wrappings are found beneath the mask. Remnants of meningeal membranes are clearly observed on CT and MR in continuation to dorsal orbital walls. In oral cavity hyperdensities are observed on CT images and on MR images only one hyperintense structure can be seen. Abundant mediastinal and abdominal remnants were observed. Discussion and conclusion CT investigation has given additional information as in previous X ray findings metal was described. MR used only several times in scientific analysis of mummies, has provided additional information as contrast resolution is superior and difference between organic and linen material was observed. Evisceration of mummy was only done partially, possibly through anal cavity, which was common in later periods and the suggested datation should be correct.

CT; Mummies; MRI; Paleoradiology; Croatia; Paleopathology; Ancient History

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