Subdural hematoma classification: Difference between revisions
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== Overview == | == Overview == | ||
There are 3 classification system for subdural hematoma. Subdural hematoma may be classified according to [[symptom]] onset and duration into 3 subtypes including acute, subacute, and chronic, according to midline shift and thickness into 4 subtypes, and based on imaging findings into 6 subtypes. | |||
==Classification== | ==Classification== | ||
There are 3 classification system for subdural hematoma:<ref name="pmid27428027">{{cite journal |vauthors=Alves JL, Santiago JG, Costa G, Mota Pinto A |title=A Standardized Classification for Subdural Hematomas- I |journal=Am J Forensic Med Pathol |volume=37 |issue=3 |pages=174–8 |date=September 2016 |pmid=27428027 |doi=10.1097/PAF.0000000000000255 |url=}}</ref> | There are 3 classification system for subdural hematoma:<ref name="pmid27428027">{{cite journal |vauthors=Alves JL, Santiago JG, Costa G, Mota Pinto A |title=A Standardized Classification for Subdural Hematomas- I |journal=Am J Forensic Med Pathol |volume=37 |issue=3 |pages=174–8 |date=September 2016 |pmid=27428027 |doi=10.1097/PAF.0000000000000255 |url=}}</ref> | ||
* Subdural hematoma may be classified according to symptom onset and duration into 3 subtypes: | * Subdural hematoma may be classified according to [[symptom]] onset and duration into 3 subtypes: | ||
** Acute: Develope less than 24 hours after head trauma (or other subdural hemorrhage causes) | ** Acute: Develope less than 24 hours after [[head trauma]] (or other subdural hemorrhage causes) | ||
** Subacute: Develope between 1 to 10 days after head trauma (or other subdural hemorrhage causes) | ** Subacute: Develope between 1 to 10 days after [[head trauma]] (or other subdural hemorrhage causes) | ||
** Chronic: Develope weeks or months after head trauma (or other subdural hemorrhage causes) | ** Chronic: Develope weeks or months after [[head trauma]] (or other subdural hemorrhage causes) | ||
* Subdural hematoma may be classified according to midline shift and thickness into 4 subtypes: | * Subdural hematoma may be classified according to midline shift and thickness into 4 subtypes: | ||
** Type A: Thickness ≤ 1cm, midline shift ≤ 5 cm | ** Type A: Thickness ≤ 1cm, midline shift ≤ 5 cm | ||
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** Type C: Thickness > 1cm, midline shift > 5 cm | ** Type C: Thickness > 1cm, midline shift > 5 cm | ||
** Type D: Thickness ≤ 1cm, midline shift > 5 cm | ** Type D: Thickness ≤ 1cm, midline shift > 5 cm | ||
* Subdural hematoma may be classified according to imaging findings into 6 subtypes: | * Subdural hematoma may be classified according to [[imaging]] findings into 6 subtypes: | ||
** Type 1: Hyperdense lesion, relatively homogeneous (describes acute subdural hemorrhages) | ** Type 1: Hyperdense lesion, relatively homogeneous (describes acute subdural hemorrhages) | ||
** Type 2: Isodense lesion, relatively homogeneous (describes subacute hemorrhages) | ** Type 2: Isodense lesion, relatively homogeneous (describes subacute hemorrhages) | ||
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** Type 4: Isodense to hypodense, relatively heterogeneous (describes recent rebleeding) | ** Type 4: Isodense to hypodense, relatively heterogeneous (describes recent rebleeding) | ||
** Type 5: Hypodense in its liquefied component, relatively heterogeneous; internal septations and loculations (higher risk for recurrence after surgical treatment) | ** Type 5: Hypodense in its liquefied component, relatively heterogeneous; internal septations and loculations (higher risk for recurrence after surgical treatment) | ||
** Type 6: Calcified hyperdense, relatively homogeneous (describes subdural hemorrhage with calcified component) | ** Type 6: [[Calcification|Calcified]] hyperdense, relatively homogeneous (describes subdural hemorrhage with [[Calcification|calcified]] component) | ||
==References== | ==References== | ||
Revision as of 14:58, 17 May 2019
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
There are 3 classification system for subdural hematoma. Subdural hematoma may be classified according to symptom onset and duration into 3 subtypes including acute, subacute, and chronic, according to midline shift and thickness into 4 subtypes, and based on imaging findings into 6 subtypes.
Classification
There are 3 classification system for subdural hematoma:[1]
- Subdural hematoma may be classified according to symptom onset and duration into 3 subtypes:
- Acute: Develope less than 24 hours after head trauma (or other subdural hemorrhage causes)
- Subacute: Develope between 1 to 10 days after head trauma (or other subdural hemorrhage causes)
- Chronic: Develope weeks or months after head trauma (or other subdural hemorrhage causes)
- Subdural hematoma may be classified according to midline shift and thickness into 4 subtypes:
- Type A: Thickness ≤ 1cm, midline shift ≤ 5 cm
- Type B: Thickness > 1cm, midline shift ≤ 5 cm
- Type C: Thickness > 1cm, midline shift > 5 cm
- Type D: Thickness ≤ 1cm, midline shift > 5 cm
- Subdural hematoma may be classified according to imaging findings into 6 subtypes:
- Type 1: Hyperdense lesion, relatively homogeneous (describes acute subdural hemorrhages)
- Type 2: Isodense lesion, relatively homogeneous (describes subacute hemorrhages)
- Type 3: Hypodense, relatively homogeneous (describes chronic hemorrhages)
- Type 4: Isodense to hypodense, relatively heterogeneous (describes recent rebleeding)
- Type 5: Hypodense in its liquefied component, relatively heterogeneous; internal septations and loculations (higher risk for recurrence after surgical treatment)
- Type 6: Calcified hyperdense, relatively homogeneous (describes subdural hemorrhage with calcified component)
References
- ↑ Alves JL, Santiago JG, Costa G, Mota Pinto A (September 2016). "A Standardized Classification for Subdural Hematomas- I". Am J Forensic Med Pathol. 37 (3): 174–8. doi:10.1097/PAF.0000000000000255. PMID 27428027.