| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Intracranial haemorrhage co-occurrent and due to closed skull fracture | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Intracranial injury co-occurrent and due to closed skull fracture | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Open skull fracture with intracranial haemorrhage | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Intracranial injury co-occurrent and due to open skull fracture | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Stereotactic excisional biopsy of intracranial lesion using computed tomography guidance | Procedure site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Stereotactic excisional biopsy of intracranial lesion | Procedure site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Stereotactic biopsy by aspiration of intracranial lesion | Procedure site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Bone structure of cranial cavity | Is a | False | Cranial cavity structure | Inferred relationship | Some |  | 
| Exploratory craniotomy, supratentorial | Procedure site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Brain stem laceration with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar laceration with open intracranial wound AND no loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Exploratory open craniotomy | Procedure site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Brain stem laceration with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar contusion with open intracranial wound AND loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Cortex laceration with open intracranial wound, unspecified state of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound, with no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Cortex laceration with open intracranial wound, with less than 1 hour loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound, with 1-24 hours loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound, with more than 24 hours loss of consciousness and return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound, with more than 24 hours loss of consciousness without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound, with loss of consciousness of unspecified duration | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound, with concussion, unspecified | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Laceration of brain with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar contusion with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cerebellar contusion with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex contusion with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar laceration with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Brain stem laceration with open intracranial wound AND loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Brain stem laceration with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Brain stem laceration with open intracranial wound AND concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex laceration with open intracranial wound AND loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Exploration of cranium | Procedure site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Cortex contusion with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex contusion with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex laceration with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Brain stem laceration with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cerebellar laceration with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar contusion with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar contusion with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex laceration with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar laceration with open intracranial wound AND concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Brain stem laceration with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar laceration with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Brain stem laceration with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex laceration with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex laceration with open intracranial wound AND concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cerebellar contusion with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex contusion with open intracranial wound AND concussion | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex laceration with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex contusion with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cortex laceration with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex contusion with open intracranial wound AND loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar contusion with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Contusion of brain with open intracranial wound | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Cerebellar laceration with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Cerebellar laceration with open intracranial wound AND loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar contusion with open intracranial wound AND concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Cortex contusion with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cortex contusion with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Cerebellar laceration with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Structure of fossa of cranial cavity | Is a | True | Cranial cavity structure | Inferred relationship | Some |  | 
| Structure of suprasellar region | Is a | True | Cranial cavity structure | Inferred relationship | Some |  | 
| Structure of supratentorial region of cranial cavity | Is a | True | Cranial cavity structure | Inferred relationship | Some |  | 
| Structure of infratentorial region of cranial cavity | Is a | True | Cranial cavity structure | Inferred relationship | Some |  | 
| Intracranial haemorrhage following injury with open intracranial wound and prolonged loss of consciousness (more than 24 hours) without return to pre-existing level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Extradural haemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Intracranial haemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | True | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Subdural haemorrhage following injury with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Extradural haemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Subdural haemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subdural haemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Extradural haemorrhage following injury with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subdural haemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 4 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Subdural haemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 4 | 
| Extradural haemorrhage following injury with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Subdural haemorrhage following injury with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Extradural haemorrhage following injury with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 4 | 
| Extradural haemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Intracranial haemorrhage following injury with open intracranial wound | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Intracranial haemorrhage following injury with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Intracranial haemorrhage following injury with open intracranial wound AND concussion | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 3 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND no loss of consciousness | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Extradural haemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Extradural haemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Subarachnoid haemorrhage following injury with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 2 | 
| Subdural haemorrhage following injury with open intracranial wound AND moderate loss of consciousness (1-24 hours) | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 4 | 
| Intracranial haemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level | Finding site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Biopsy of cranial artery | Procedure site | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Biopsy of cranial artery | Procedure site - Direct | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Exploratory open craniotomy | Procedure site - Direct | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Exploratory craniotomy, supratentorial | Procedure site - Direct | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Exploratory craniotomy, infratentorial | Procedure site - Direct | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Exploration of cranium | Procedure site - Direct | False | Cranial cavity structure | Inferred relationship | Some | 1 | 
| Stereotactic biopsy by aspiration of intracranial lesion | Procedure site - Direct | False | Cranial cavity structure | Inferred relationship | Some | 1 |