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To diagnose a probable case of rheumatoid arthritis in a mummified female body from the 16th century and to backdate the first clinical diagnosis, entering the diatribe regarding the ancientness of the disease.Image techniques such as normal X-ray, X-ray by mammography, total body CT and high resolution CT were used. Microscopic examination by stereomicroscopy was performed. Samples of tissue were submitted to histology. These data and the review of past literary references, of artistic representations and of paleopathological cases provided an interesting contribution to reconstruct the history of the disease.The body of the "Braids Lady" showed all the "stigmata" of the disease. The left hand revealed large erosions of the metacarpophalangeal joints of both the third and the fourth fingers, volar metacarpophalangeal subluxation of both the third and the fourth fingers and lateral deviation of all the fingers. The carpus showed some minute and marginal erosions of the bones. The bases of the first phalanges were slightly flared. The toes showed partially overlapped fibular deflection. CT evidenced subluxations of the joints. The body showed no involvement of sacroiliac articulation.The "Braids Lady" was affected by rheumatoid arthritis. A large number of features typical of the disease were recorded. Differential diagnosis supported the findings. The death of the lady was established at the end of 16th century, namely 200 years before the first clinical diagnosis worked out by Landré Beauvais in the early 1800s.

We discuss the relevance of ancient DNA studies for novel approaches to a variety of fields of scientific inquiry, including population and evolutionary genetics, prehistoric archaeology, paleopathology and history of human diseases. To exemplify the potential of ancient DNA research, we provide accounts of studies currently conducted at our laboratories in four different areas: 1) origins of the dog and phylogeny of prehistoric Italian canids; 2) paleogenetics of ancient Roma; 3) antiquity for variant alleles implicated in disease predisposition; 4) molecular investigation of pathologic lesions in Italian mummies of Renaissance age. The implications of the results obtained are briefly outlined.

Prostatic hyperplasia, a very common condition today, was well known in the past as cause for bladder distension. The difficulty to identify, at autopsy of natural or artificial mummies, even a normal-sized prostate is probably the result of putrefaction processes and its usually dramatic size reduction as well. We report two ancient cases of prostatic hyperplasia recently observed in natural mummies from Italy. The first case regards Pandolfo III Malatesta (1370-1427), a leading figure of the Italian Renaissance. He was a valiant soldier and horseman with a very active life style. The tomb, containing his naturally mummified body, has recently been discovered in Fano (Marche, Central Italy). After careful X-ray and videographic examination, the autopsy showed good preservation of the skeletal muscles, cartilage, internal and external organs, included prostate gland and penis. Macroscopic examination revealed a staghorn calculus (calcium urate) of the left kidney and a severe enlargement of the prostate, with calcifications detectable by X-ray and large nodules protruding in the lumen of an ectatic urethra. Histology shows fibrous brands of connective and muscular tissue surrounding circular and oblong lacunae, with no preservation of epithelial structures. The macroscopic and histological picture allowed us to diagnose prostatic nodular hyperplasia. The second case (XIX century) concerns the natural mummy of an anonymous 50-60 years old man, found in ancient friary near L'Aquila (central Italy), which underwent computed tomography and a complete autopsy. Pelvic CT scans showed distended urinary bladder and a ring of dense tissue at the site of the prostate. At autopsy the bladder measured 7 x 6 x 5 cm and the prostate was 4 x 5 x 3 cm; prostatic urethra had a diameter of x 2 cm. Histology revealed dense fibrous tissue containing muscular fibers and roundish cavities of variable size, filled with eosinophil, PAS-positive material. Concretions were also present in some of these spaces. Strong immunohistochemical reactivy for PSA was observed in this material. The existence of glandular structures containing eosinophil, PAS-positive material, immunoreactive for PSA, confirmed the prostatic nature of the specimen, already suspected after CT scan and gross examination. The presence itself of the prostate, its histological picture, the preserved and distended urinary bladder, in addition to the age of the subject, supported the diagnosis of prostatic hyperplasia.