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Radiologic evaluation of the Llullaillaco mummies
Carlos H Previgliano1, Constanza Ceruti, Johan Reinhard
1Institute of High Mountain Research, Catholic University of Salta, Pellegrini 790, Salta A4400FYP, Argentina.
AJR. American Journal of Roentgenology
|November 25, 2003
Summary
Radiology revealed well-preserved internal organs and good nutritional status in three ancient Inca child mummies. Imaging identified dehydration effects and estimated ages, highlighting their exceptional preservation.
Area of Science:
- Paleoradiology
- Bioarchaeology
- Medical Imaging
Background:
- Naturally mummified remains offer insights into past populations.
- Inca child mummies provide unique opportunities for studying ancient health and preservation.
Purpose of the Study:
- To document imaging findings in three 500-year-old frozen Inca child mummies.
- To assess the preservation state of internal organs and overall health.
Main Methods:
- Computed tomography (CT) and conventional radiography, including dental radiography.
- Specialized techniques adapted to fragile, frozen specimens.
- Limited session times (20 min) to prevent thawing.
Main Results:
- CT scans showed well-preserved internal organs with dehydration-induced shrinkage.
- Brain structures (white and gray matter) were clearly visible.
- Radiography indicated good nutritional status (bone mineralization, muscle volume, adipose tissue) and allowed age estimation.
- Lungs were expanded; spleen was not visualized.
Conclusions:
- Radiology effectively determined the state of internal organs, nutritional conditions, and physical abnormalities.
- These Inca child mummies represent some of the best-preserved specimens known.
- Imaging provides valuable data for bioarchaeological and paleopathological studies.