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A postmortem case of suicide by hanging is described where pink teeth and pink nails were found during autopsy. One highly putrefied dead body belonging to a middle aged man was found hanging from the branch of a tree amidst a forest. Multiple permanent teeth and bilateral little fingernails displayed pink discolorations. After considering the circumstances of the case and autopsy findings including the ambiguity over pink tissue phenomenon, the cause of death was finally given as ante mortem hanging. The pink teeth phenomenon [PTP] is an infrequent and dubiously explained finding in forensic literature while a single case report exists in relation to pink nails. Although many authors have stressed that post-mortem pink teeth should not be considered as a reliable dental parameter for determining the cause of death, the results of other studies have shown that the pink teeth commonly occur in cases of asphyxia such as strangulation, drowning or suffocation. The finding, although initially related to an intravitam cranial congestion, was subsequently refuted on account of its discovery in non-asphyxial and other modes of deaths. A potential role of postmortem hypostatic congestion in this regard has been proposed especially in drowned corpses due to their frequent floatation in a head down position. A moist and humid environmental milieu along with certain degree of putrefaction has been considered as a prerequisite for the enhancement of the process. The repeated discovery of the finding in autopsy cases has been almost a continuing conundrum for the pathologists. The pink tissue phenomenon mandates a sound and goal oriented investigation in order to clarify its role in ascertaining the cause of death.

Post Mortem Pink Teeth and Pseudo Pink Nails in a Case of Suicidal Hanging