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Microscopic study of the organization of the Subdural Haemorrhage SDH verified against the time period can help us in the determination of its age which has serious medico-legal implications. Very few studies concerning the dating of SDH are present in the literature. This study was conducted for dating the early subdural haemorrhage by routine histopathological stains. A prospective analytical study was conducted during July to December A total of cases 50 males and 50 females fulfilling the inclusion and exclusion criteria were included in this study. Routine histopathological staining of the subdural haematoma was done.

For the radiologist, there is a legal responsibility to report findings suspicious for AHT. Documentation of the individual contacted, the method of communication, the date and time are minimal requirements.

As a mandatory reporter, the radiologist is protected from civil and criminal prosecution by Shield Laws that exist within the United States. Hedlund GL. J Am Osteopath Coll Radiol.

Hedlund, D. Background of abusive head trauma In the neonate, infant, or young child who has suffered from non-accidental injury, abusive head trauma AHT is acknowledged as the most common cause of fatality and long term morbidity with approximately 1, fatalities and 18, seriously disabled infants and children annually in the USA. Imaging goals in the evaluation of abusive head trauma The goals for the medical imaging physician who is responsible for interpreting brain CT and MRI examinations for the pediatric patient with suspected abusive head trauma are clearly defined.

Appearance on MRI is variable depending on: Field strength of the magnet Whether the image is T1 or T2 weighted Time course of the ICH Hyperacute 3 Days Late > 7 Days Chronic > 14 DaysFile Size: KB. Dipika 24 Private Escorts Chembur, Mumbai. Hello to Dating Hemorrhage On Mri those all, who make me happy. Myself Dipika, 24 years old happy, well maintained, cute and sexy escort in Mumbai. I have smooth silky skin, natural breast, face, and black naughty eyes/ Apr 01,   Though few studies suggest that dating of subdural haematoma cannot be done accurately using radiological methods [], the present study, yet gives a reliable and a reproducible method for the estimation of the age of early subdural haemorrhage. Not many studies have been conducted recently on the radiological dating of by: 3.

Birth related subdural hemorrhage Birth related SDH can lead to confusion and controversy particularly when SDH is detected in a young infant. Subdural hemorrhage and intracranial venous thrombosis In the differential diagnostic consideration of non-traumatic causes of SDH, some authors opine and testify to the fact that intracranial venous thrombosis ICVT may lead to the development of SDH that mimics the SDH of abusive head trauma.

Hypoxic ischemic encephalopathy and subdural hemorrhage Finally, there has been recent controversy raised over whether hypoxic ischemic encephalopathy HIE is a potent cause of SDH which may mimic the features of abusive head trauma.

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Neuroimaging of abusive head trauma. Medina LS, et al. Imaging of nonaccidental head injury. Evidence-Based Imaging in Pediatrics ; Neuroimaging of nonaccidental head trauma; pitfalls and controversies. Pediatric Radiol ; Barnes P, Krasnokutsky M. Top Magn Reson Imaging ; Wang CT, Holton J. Total estimated cost of child abuse neglect in the United States. Prevent Child Abuse America Web site. ated Sept. Accessed Aug.

Subdural hematoma and non-accidental head injury in children. Vezina G. Assessment of the nature and age of subdural collections in nonaccidental head injury with CT and MRI.

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Pediatric Radiol, ; Huisman TA. Eur Radiol, ; MR characteristics of subdural hematomas and hygromas at 1. AJNR ; Nelson M. Unraveling the puzzle. The computed tomographic attenuation and the age of subdural hematomas. J Korean Med Sci ; Imaging of head injuries in infants: temporal correlates and forensic implications for the diagnosis of child abuse.

J Neurosurg Pediatrics 1 ; Radiology ; J Forensic Sci.

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Magnetic resonance in imaging of chronic subdural hematoma. Neurosurg Clin N Am. Comparison of accidental and nonaccidental traumatic head injury in children on noncontrast computed tomography. Comparison of intracranial computed tomographic findings in pediatric abusive and accidental head trauma. Pediatr Rad ; Munro D, Merritt H. Surgical pathology of subdural hematoma. Based on a study of cases. Arch Neurol Psychiatr. Hanna JA. The aetiology of subdural hematoma: an anatomical and pathological study.

J Nerv Ment Dis.

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The depth was determined by multiplying the number of slices on which haematoma was visible, by the slice thickness. Intra-reader reliability was assessed using the intraclass correlation coefficient ICC.

Diagnosing Brain Hemorrhages

A total of cases in the age group of years were studied. The post-traumatic time interval varied from 0. The volume of the SDH varied from 0. Axial view: A crescentic subdural haematoma over the left fronto-parieto-temporal region with a contralateral midline shift.

Distribution of cases according to the post-traumatic interval and mean attenuation of subdural haemorrhage. The intra-class correlation coefficient for intra-reader reliability of the first and second readers were 0.

The prediction of PTI was based on density and volume. In logistic regression, after applying forward likelihood ratio method, only density was found out to be significant and is used in the model to predict PTI. The timing of a traumatic event by post-mortem findings carries immense significance for the forensic experts.

Multiple methods to determine the age of injury are available which include but not limited to the healing of abrasions, contusions, and other injuries. The aim of the present study was to determine the post-traumatic interval of the early subdural haematomas based on computed tomography attenuation numbers. In this study, crescent shaped haemorrhages were distinctively selected to determine the effect of blood volume on attenuation.

The variation in density pattern is observed on computed tomography about extravasation of blood with time [ 14 - 16 ]. An acute subdural haemorrhage has a computed tomographic attenuation value that is dependent largely on the proportions of red blood cells, haemoglobin and iron content, and fibrin.

An acute thrombus is formed from fibrin, platelets, neutrophils, and red blood cells, and as the cells start losing its integrity, swelling often occurs [ 17 ]. Attenuation also depends on beam energy and may, therefore, differ significantly between different CT scanners. Earlier studies have reported Scanner-dependent variability in CT numbers [ 192223 ].

However, in Strandberg et al.

Dating intracranial hemorrhage using CT and MRI Estimating the age of intracranial hemorrhage provides critical forensic information for the investigation of suspected abusive head trauma. I have found that CT and MRI findings are complementary when it comes to tackling the dating of an injury and characterization of intracranial hemorrhage. Jul 01,   Microscopic study of the organization of the Subdural Haemorrhage (SDH) verified against the time period can help us in the determination of its age which has serious medico-legal implications. Very few studies concerning the dating of SDH are present Cited by: 5. Aging blood on MRI is dependent on the varying MRI signal characteristics of hemorrhagic collections with time and can be very useful in correlating the imaging findings with the clinical shawchapman.comr, as it can be complicated to recall the MRI features of aging blood through the five stages of hematoma evolution several mnemonics have been devised.

This contention was avoided in our study by the utilization of a single CT machine with a single standard specification for all the cases. Few studies have been attempted long back for dating the subdural haemorrhage using computed tomography. Bergstroem et al. Scotti et al. Lee et al. All the above studies have tried to classify subdural haemorrhage into acute, subacute or chronic depending on the attenuation.

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The present study, unlike others, included only early cases of SDH and further differentiation of the haemorrhage according to age was attempted within this short post-traumatic interval. It is pertinent to note that these studies also do not mention the specific radiological methods applied in estimating the age of the subdural haematoma. After about days of the clot formation, the density drops to about 30HU and becomes isodense with the adjacent cortex [ 4 ]. Since the cases in the present study were well within or close to 10 days, all the cases had a high attenuation, which is in concordance with all the above published data.

Correlation of attenuation of the haematoma and time interval between injury and computed tomography was found to be highly negative i.

Dating of Early Subdural Haematoma: A Correlative Clinico-Radiological Study

The determination of the post-traumatic interval of the subdural haemorrhage is a complex problem and has been worked out by a very few investigators. Hence a very limited number of studies with which the results of the present study could be compared. These findings accord with the results of other studies examining Intra-reader reliability of attenuation measurements [ 19 ]. Currently, the dating of subdural haemorrhage by measuring the CT number alone could lead to inaccuracies as it depends on measurement technique, object composition, and beam energy.

Therefore with further research on this subject, the attenuation of subdural haemorrhages can be measured with more reliability and, thereby placing them accurately into particular post-traumatic interval groups. However, the outcome of living patients may not be entirely transferable to post-mortem radiology. The application of the current methodology to post-mortem cases will be an oversimplification.

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Though, the few post-mortem radiological studies conducted previously have inferred minimal difference with the autopsy findings in cases of craniocerebral trauma, not much work has been done on decomposed bodies [ 2324 ].

Further in these studies [ 2324 ], the cases had a time interval of less than 24hours between the death and postmortem radiological examination. These studies concentrated mainly on the gross features rather than going into specifics like aging and the degree of the autolytic process if any. From the radiological point of view, the dating of early SDH remains limited, in the fact that all the SDH were hyper dense, but concurs with the already published data [ 42526 ].

However, on a further classification of these HU numbers about post-traumatic intervals, information was obtained on the range of attenuation for a particular post-traumatic interval.

Though few studies suggest that dating of subdural haematoma cannot be done accurately using radiological methods [ 25 - 27 ], the present study, yet gives a reliable and a reproducible method for the estimation of the age of early subdural haemorrhage.

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Not many studies have been conducted recently on the radiological dating of SDH. Those studies which have dealt with the radiological dating of SDH have not specified the radiological methods and hence the comparison with different studies have been limited.

The results from one of the recently conducted questionnaire based study showed that there was a considerable variation among the radiologists, regarding medico-legal opinions on the age of SDH and concluded it unsuitable to use in court because of non-uniformity [ 28 ]. The study was limited by the small sample of materials investigated. The influence of hypothermia, shock, hypoxia, variations in the blood pressure, the effect of medications during emergency care, potential effects of associated injuries and failure of the internal organs were not evaluated.

Repeat CT examinations of the same patient at various times were not done in our study. Also, a single CT scan machine was used in this study hence variations in attenuation between different CT Scanners could not be appreciated. Because of the difficulty in differentiation into antemortem and postmortem breakdown of cellular components, it is hard to predict the post-traumatic intervals in decomposing bodies. Finally, the CT Scanner and protocol that have been used in this study is not the state of the art concerning its various parameters.

Though single slice CT scanners are not used in state of the art head scans [ 29 ], the constraints on the availability of advanced scanners in a developing country like India, has compelled us to use the resources at hand. A long-term study involving more number of cases helps in the better understanding of the attenuation variations of the SDH with relation to time.

Further this study could be extended to cases below 18 years of age that hold a lot of medico-legal significances. More innovative research can be done by the application of HU measurements on different organs in determining the time since death.

I have Dating Hemorrhage On Mri got calls from woman who wanted to cheat on her husband (implying they wanted to sleep with me). Most people think that this is just too weird to be true. Let me tell you a truth, its not. I am Dating Hemorrhage On Mri an average looking guy, over weight by Kgs, so I dont have a six pack or a muscular built / Sequence-specific MR Imaging Findings That Are Useful in Dating Ischemic Stroke. Laura M. Allen, Anton N. Hasso Magnetic Resonance Imaging Clinics of North America, Vol. 27, No. 2. Journal of Neuroimaging. Coexistence of Microhemorrhages and Acute Spontaneous Brain Hemorrhage: Correlation with Signs of Microangiopathy and Clinical Data Cited by: Dec 07,   The appearance and evaluation of intracranial hemorrhage on MRI (see the images below) primarily depend on the age of the hematoma and on the imaging sequence or parameters (eg, T1 weighting, T2 weighting). Other influences are the site of the hemorrhage, the local partial pressure of oxygen in the tissues, the local pH, the patient's hematoc.

Considering a few recent studies being done on the postmortem use of the radiological technologies in the interpretation of the cranio-cerebral traumatic injuries [ 2324 ] one can with some confidence say that these methods hold a lot of stake for the future of radiological autopsy or may indeed replace few of the routinely conducted forensic autopsies of the present times. The present study has adopted one of the most objective and scientific methods in determining the attenuation of the subdural haematomas in contrast to the other previous studies where none has been applied or has not been mentioned.

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Cases and figures. Intracerebellar hemorrhage hyperacute Intracerebellar hemorrhage hyperacute.

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  1. Kishura

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