Search results for "Forensic"

Bilateral agenesis/aplasia of the lungs: report of a second case in the offspring of one woman.

1995

Congenital absence of both lungs is an extremely rare malformation in humans and is thought to occur sporadically. We report the second case of congenital absence of both lungs in the offspring of one woman. In neither case, one female baby (born at term) and one aborted female fetus (21 weeks of gestation), were anomalies or malformations of other organ systems observed. The karyotype of the aborted fetus was 46,XX. To our knowledge, this is the first report describing bilateral pulmonary agenesis in two offspring of one mother. The repetition of virtually the same isolated abnormality with no other malformations supports the hypothesis that it could be caused by a genetic disorder. Other …

Otogenic lateral sinus thrombosis in children: proposal of an experience-based treatment flowchart

2018

Purpose: To describe the prevalent clinical, laboratory, and radiological features of otogenic lateral sinus thrombosis (OLST) in children; to identify clinical predictors of outcome; to propose a management algorithm derived from experience. Methods: A retrospective review was conducted of the clinical records of patients with OLST, treated in a single tertiary care referral center for pediatric disease from 2006 to 2017. The inclusion criteria were pediatric age (0–16 years) and OLST diagnosis confirmed by a pre- and post-contrast CT or venography–MRI scan. Primary outcome measures were early (1–2 months) and late (6 months) sinus recanalization assessed by means of neuroimaging. Results:…

Postmortem Imaging in Sudden Adult Death

2019

Several definitions of “sudden and unexpected death” exist. The World Health Organization definition is of natural death within 24 h from the onset of symptoms, but this is much too long for many clinicians and pathologists; some will only accept death within 1 h from the onset of illness. If the event was not witnessed, sudden death is defined as the interval between the time the subject was last seen and the time the body was found within 6 h.

Quantitative measurements of magnetic stray field dynamics of Permalloy particles in a photoemission electron microscopy

2010

By example of a Permalloy particle (40 × 40 μm(2) size, 30 nm thickness) we demonstrate a procedure to quantitatively investigate the dynamics of magnetic stray fields during ultrafast magnetization reversal. The measurements have been performed in a time-resolving photoemission electron microscope using the X-ray magnetic circular dichroism. In the particle under investigation, we have observed a flux-closure-dominated magnetic ground structure, minimizing the magnetic stray field outside the sample. A fast magnetic field pulse introduced changes in the micromagnetic structure accompanied with an incomplete flux closure. As a result, stray fields arise along the edges of domains, which cau…

A method for measuring Darcian flow permeability of thin compressed fibre mats

2009

Sensitive screening of synthetic cannabinoids using liquid chromatography quadrupole time-of-flight mass spectrometry after solid phase extraction.

2021

Analysis of synthetic cannabinoids still poses a challenge for many institutions due to the number of available substances and the constantly changing drug market. Both new and well-known substances keep appearing and disappearing on the market, making it hard to adapt analytical methods in a timely manner. In this study, we developed a qualitative screening approach for synthetic cannabinoids and their metabolites by means of liquid chromatography quadrupole time-of-flight mass spectrometry (LC-QTOF-MS). Samples were measured in data-dependent auto-MS/MS mode and identified by fragment spectra, retention time and accurate mass. Two established solid phase extractions were compared using fo…

Zur Anwendbarkeit des Pi-Systems in der Vaterschaftsbegutachtung

1972

In der vorliegenden Arbeit wird die Brauchbarkeit des Pi-Systems fur die Gutachterpraxis diskutiert. Berucksichtigt man die geringe Ausschluswahrscheinlichkeit (0,05) und die Schwierigkeiten, die sich bei der exakten Bestimmung einiger Phanotypen ergeben, so scheint das Pi-System nur von geringer forensischer Brauchbarkeit zu sein.

H.-J. Wagner (Mainz): Einflu� der Antibiotica und Sulfonamide auf die Leichenf�ulnis

1959

Die Beziehungen der Lipoide zu den perizellul�ren Strukturen der Ganglienzellen bei einigen Wirbellosen im Vergleich zu Wirbeltieren

1953

1. Die ektodermalen, gliosen Hullen der Ganglienzellen von Hirudo, Nephrops, Helix, Anodonta, Octopus und Eledone enthalten Lipoide und Lipoproteide. 2. In den Hullen konnten histotopochemisch Plasmal, Glykolipine und Phospholipine nachgewiesen werden. 3. Die untersuchten Scheiden gehen in die Scheiden des Fortsatzes uber. Sie zeigen Doppelbrechung, in nativem Zustand meist ein negatives Kreuz, das nach Glyzerindurchtrankung positiv wird. Diese metatrope Reaktion (Gothlin) weist auf ein geordnetes Eiweis-Lipoidsystem hin, in welchem die Lipoidmolekeln radiar, die Eiweismolekeln zirkular angeordnet sind. Ein solches polarisationsoptisches Verhalten deutet zugleich auf ungesattigte Phosphatid…

Elektro-Okulographie bei Hirnstammerkrankungen

2011

Zusammenfassung Augenbewegungsstorungen sind haufige und typische Symptomen von Hirnstammerkrankungen. Hier liegt die Bedeutung der Elektrookulographie in erster Linie in der Aufdeckung subklinischer Veranderungen (Abb. 1) und weniger in der Bestatigung klinisch evidenter Storungen. Hierzu eignet sich vor allem die Aufzeichnung von Willkursakkaden, die im Allgemeinen bezuglich Geschwindigkeit und Zielgenauigkeit analysiert werden. Hiermit konnen bei Patienten mit multipler Sklerose oder Bewegungsstorungen (M. Parkinson, progressive supranukleare Parese, Chorea Huntington) eine Reihe recht typischer Befunde erhoben werden, die bei der Diagnose hilfreich sein konnen. Dabei legen neuere Studie…