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Article in English | WPRIM | ID: wpr-22490


Computed tomography (CT) is widely used in postmortem investigations as an adjunct to the traditional autopsy in forensic medicine. To date, several studies have described postmortem CT findings as being caused by normal postmortem changes. However, on interpretation, postmortem CT findings that are seemingly due to normal postmortem changes initially, may not have been mere postmortem artifacts. In this pictorial essay, we describe the common postmortem CT findings in cases of atraumatic in-hospital death and describe the diagnostic pitfalls of normal postmortem changes that can mimic real pathologic lesions.

Adult , Aged , Female , Humans , Male , Middle Aged , Autopsy/instrumentation , Brain/pathology , Forensic Medicine/instrumentation , Gastrointestinal Tract/pathology , Heart/diagnostic imaging , Lung/pathology , Myocardium/pathology , Postmortem Changes , Tomography, X-Ray Computed/methods
Gut and Liver ; : 492-496, 2013.
Article in English | WPRIM | ID: wpr-124620


A 53-year-old man was suspected of having an esophageal neoplasm. An endoscopic examination including Lugol chromoendoscopy suggested an esophageal squamous cell neoplasm limited to the lamina propria. A targeted biopsy showed atypical squamous cells, and an endoscopic submucosal dissection was performed 22 days after the previous endoscopy. Although a single 40 mm unstained area was observed by preoperative Lugol chromoendoscopy, intraoperative endoscopy revealed a 25 mm iodine-unstained area, with small unstained areas scattered on the oral side. We included the small unstained areas in the extent of the resection through assessment by preoperative endoscopy. Histopathologically, the tumor extent appeared to coincide with the preoperative assessment. Tumor cells were found in the basal-parabasal layers of the mucosa, in which small unstained areas were scattered, although the superficial layers exhibited well-differentiated cells containing glycogen in the cytoplasm. Although Lugol chromoendoscopy, which can induce chemical esophagitis, is widely used, re-epithelialization after mucosal damage by preoperative iodine staining may complicate the intraoperative demarcation of tumors.

Biopsy , Cytoplasm , Endoscopy , Esophageal Neoplasms , Esophagitis , Glycogen , Iodine , Mucous Membrane , Neoplasms, Squamous Cell , Re-Epithelialization