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The Co-Occurrence of Scurvy and Rickets in 16th to 18th Century Skeletal Material from Douai, France.

Disease is not a unique or singular phenomenon. The medical literature contains multiple reports discussing disease interactions and co-occurrence which remains an important issue. Despite this, there has been no systematic investigation of disease co-occurrence in paleopathology. This thesis will begin to fill the gap by producing a detailed analysis of the pathological indicators for scurvy, rickets, and their co-occurrence, focussing on features of co-occurrence and their identification.
The Collégiale Saint-Amé collection from 16th to 18th century Douai, France includes 48 individuals ranging from fetal to five years of age. Previous research indicated a large number of potential cases of scurvy and rickets in the juveniles (Devriendt et al. 2010). The current study identified 12 cases of possible co-occurrence based on macroscopic, radiographic, and microscopic techniques; biocultural and historical data supported disease presence.
Macroscopic results indicate that lesions associated with scurvy are identifiable and the vascular system is not known to be directly affected by rickets. Rickets features are present but changes are subtle and reduced in prevalence. Radiographs demonstrate features of both diseases but the presence or absence of the line of Fraenkel, a scurvy feature, was useful in identifying the likely dominant disease process. Diagenetic change significantly impacted microscopic investigations but the technique provided some supporting evidence for the presence of rickets.
The results clearly demonstrate that cases of co-occurrence of scurvy and rickets are present and identifiable in the archaeological record. Important factors for recognition include the sequence in which conditions develop and duration of illness. Presently only cases with moderately or better developed features of both scurvy and rickets can be identified. Use of multiple techniques was critical to observe subtle changes and build a case for disease presence. Further research on co-occurrence of any diseases is encouraged to create a fuller understanding of past disease. / Thesis / Master of Arts (MA)

Identiferoai:union.ndltd.org:mcmaster.ca/oai:macsphere.mcmaster.ca:11375/16740
Date06 1900
CreatorsSchattmann, Annabelle F.
ContributorsBrickley, Megan, Poinar, Hendrik, Anthropology
Source SetsMcMaster University
Languageen_US
Detected LanguageEnglish
TypeThesis

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