PENFIELD FUSION
Subject reportResearch · not for clinical use

PF-80C2034C

CREATED 2026-10-01 · PIPELINE 0.3.0
MODALITIES T1, T2 · 132 STRUCTURES · 20 FLAGGED · 132 CLEANED (−642,841 VOX)

132structures
20flagged
1562.2total cm³
0.906median stability
PASSregistration

Registration QC

idmovingverdictfg overlap
T2_to_T1T2PASS0.981

Largest left/right asymmetries

structureAI % (L−R)/meannote
amygdala+109.6%⚠
hippocampus+99.8%⚠
frontal pole+94.6%⚠
postcentral gyrus-63.8%⚠
frontal operculum+63.2%⚠
posterior cingulate gyrus+62.2%⚠
parahippocampal gyrus+60.6%⚠
posterior orbital gyrus-54.9%⚠

AI = (L−R)/mean(L,R) ×100 · |AI|>20% is flagged: an analysis artefact to inspect, not a clinical finding.

Segmentation stability

Perturbation self-consistency (noise/bias/smooth), n=133, median Dice 0.906. Lowest:

structurestability dice
amygdala0.320
hippocampus0.374
hippocampus0.417
left0.452
phg0.465

Flagged structures

brain.cerebrum.right.deep.amygdala, brain.cerebrum.left.deep.amygdala, brain.brainstem.brainstem, brain.cerebrum.right.deep.hippocampus, brain.cerebrum.left.deep.hippocampus, brain.ventricles.inferior-lateral-ventricle.right, brain.ventricles.inferior-lateral-ventricle.left, brain.ventricles.lateral-ventricle.right, brain.cerebrum.right.deep.ventral-dc, brain.cerebellum.vermis-i-v, brain.cerebrum.left.cortex.frontal.frp, brain.cerebrum.right.cortex.frontal.lorg, brain.cerebrum.left.cortex.limbic.mcgg, brain.cerebrum.right.cortex.frontal.mfc, brain.cerebrum.left.cortex.frontal.mfc, brain.cerebrum.left.cortex.limbic.pcgg, brain.cerebrum.right.cortex.parietal.pcu, brain.cerebrum.right.cortex.temporal.phg, brain.cerebrum.left.cortex.temporal.phg, brain.cerebrum.left.cortex.temporal.pp

Structure volumes

namesideregioncm³cohort %qccleaned
Brainstemmidlinebrainstem2.23017%disconnected mask (307 components, largest 11%)yes
Left Cerebellar Cortexleftcerebellum65.02450%–yes
Right Cerebellar Cortexrightcerebellum59.63058%–yes
Vermis I–Vmidlinecerebellum10.11442%disconnected mask (277 components, largest 58%)yes
Vermis VI–VIImidlinecerebellum2.9580%–yes
Vermis VIII–Xmidlinecerebellum2.93142%–yes
Left Cerebellar White Matterleftcerebellum5.94442%–yes
Right Cerebellar White Matterrightcerebellum6.56742%–yes
Left Anterior Orbital Gyrusleftcerebrum.left2.2558%–yes
Left Frontal Operculumleftcerebrum.left2.36517%–yes
Left Frontal Poleleftcerebrum.left12.17675%disconnected mask (335 components, largest 30%)yes
Left Gyrus Rectusleftcerebrum.left1.77825%–yes
Left Lateral Orbital Gyrusleftcerebrum.left3.05875%–yes
Left Medial Frontal Cortexleftcerebrum.left3.52758%disconnected mask (159 components, largest 58%)yes
Left Middle Frontal Gyrusleftcerebrum.left30.35075%–yes
Left Medial Orbital Gyrusleftcerebrum.left3.82050%–yes
Left Precentral Gyrusleftcerebrum.left4.89792%–yes
Left Superior Frontal Gyrusleftcerebrum.left10.18583%–yes
Left Posterior Orbital Gyrusleftcerebrum.left2.07633%–yes
Left Precentral Gyrusleftcerebrum.left23.84158%–yes
Left Superior Frontal Gyrusleftcerebrum.left20.7648%–yes
Left Supplementary Motor Cortexleftcerebrum.left7.98942%–yes
Left Anterior Insulaleftcerebrum.left5.08033%–yes
Left Central Operculumleftcerebrum.left3.8668%–yes
Left Posterior Insulaleftcerebrum.left2.33258%–yes
Left Anterior Cingulate Gyrusleftcerebrum.left5.1678%–yes
Left Entorhinal Arealeftcerebrum.left2.28775%–yes
Left Middle Cingulate Gyrusleftcerebrum.left11.41367%disconnected mask (114 components, largest 52%)yes
Left Posterior Cingulate Gyrusleftcerebrum.left8.18975%disconnected mask (164 components, largest 51%)yes
Left Subcallosal Arealeftcerebrum.left0.83242%–yes
Left Calcarine Cortexleftcerebrum.left5.20275%–yes
Left Cuneusleftcerebrum.left5.77650%–yes
Left Inferior Occipital Gyrusleftcerebrum.left9.57050%–yes
Left Lingual Gyrusleftcerebrum.left13.82983%–yes
Left Middle Occipital Gyrusleftcerebrum.left10.86658%–yes
Left Occipital Poleleftcerebrum.left3.9360%–yes
Left Occipital Fusiform Gyrusleftcerebrum.left5.62350%–yes
Left Superior Occipital Gyrusleftcerebrum.left4.85142%–yes
Left Angular Gyrusleftcerebrum.left12.23642%–yes
Left Postcentral Gyrusleftcerebrum.left1.47833%–yes
Left Precuneusleftcerebrum.left16.50275%–yes
Left Parietal Operculumleftcerebrum.left2.1040%–yes
Left Postcentral Gyrusleftcerebrum.left8.5530%–yes
Left Supramarginal Gyrusleftcerebrum.left11.14667%–yes
Left Superior Parietal Lobuleleftcerebrum.left16.73967%–yes
Left Fusiform Gyrusleftcerebrum.left7.21850%–yes
Left Inferior Temporal Gyrusleftcerebrum.left10.01525%–yes
Left Middle Temporal Gyrusleftcerebrum.left12.8268%–yes
Left Parahippocampal Gyrusleftcerebrum.left1.63317%disconnected mask (125 components, largest 20%)yes
Left Planum Polareleftcerebrum.left4.44275%disconnected mask (31 components, largest 58%)yes
Left Planum Temporaleleftcerebrum.left1.78717%–yes
Left Superior Temporal Gyrusleftcerebrum.left11.21075%–yes
Left Temporal Poleleftcerebrum.left6.9880%–yes
Left Transverse Temporal Gyrusleftcerebrum.left1.80067%–yes
Left Accumbensleftcerebrum.left0.65775%–yes
Left Amygdalaleftcerebrum.left0.23717%disconnected mask (32 components, largest 32%)yes
Left Basal Forebrainleftcerebrum.left0.47158%–yes
Left Caudateleftcerebrum.left3.90867%–yes
Left Hippocampusleftcerebrum.left2.17825%disconnected mask (72 components, largest 18%)yes
Left Pallidumleftcerebrum.left0.62267%–yes
Left Putamenleftcerebrum.left4.31575%–yes
Left Thalamusleftcerebrum.left5.56575%–yes
Left Ventral Diencephalonleftcerebrum.left2.13375%–yes
Left Opifg Opercular Part Of the ifgleftcerebrum.left4.47292%–yes
Left Orifg Orbital Part Of the ifgleftcerebrum.left1.2018%–yes
Left Trifg Triangular Part Of the ifgleftcerebrum.left3.7198%–yes
Left Cerebral White Matterleftcerebrum.left335.67350%–yes
Right Anterior Orbital Gyrusrightcerebrum.right1.82217%–yes
Right Frontal Operculumrightcerebrum.right1.2290%–yes
Right Frontal Polerightcerebrum.right4.35575%–yes
Right Gyrus Rectusrightcerebrum.right2.73775%–yes
Right Lateral Orbital Gyrusrightcerebrum.right3.46467%disconnected mask (84 components, largest 55%)yes
Right Medial Frontal Cortexrightcerebrum.right4.35292%disconnected mask (97 components, largest 46%)yes
Right Middle Frontal Gyrusrightcerebrum.right25.58333%–yes
Right Medial Orbital Gyrusrightcerebrum.right3.68650%–yes
Right Precentral Gyrusrightcerebrum.right5.580100%–yes
Right Superior Frontal Gyrusrightcerebrum.right9.69383%–yes
Right Posterior Orbital Gyrusrightcerebrum.right3.64592%–yes
Right Precentral Gyrusrightcerebrum.right19.18950%–yes
Right Superior Frontal Gyrusrightcerebrum.right21.85242%–yes
Right Supplementary Motor Cortexrightcerebrum.right6.61342%–yes
Right Anterior Insularightcerebrum.right5.54267%–yes
Right Central Operculumrightcerebrum.right5.28358%–yes
Right Posterior Insularightcerebrum.right3.22475%–yes
Right Anterior Cingulate Gyrusrightcerebrum.right6.36433%–yes
Right Entorhinal Arearightcerebrum.right2.01142%–yes
Right Middle Cingulate Gyrusrightcerebrum.right6.73250%–yes
Right Posterior Cingulate Gyrusrightcerebrum.right4.30250%–yes
Right Subcallosal Arearightcerebrum.right0.95742%–yes
Right Calcarine Cortexrightcerebrum.right4.33817%–yes
Right Cuneusrightcerebrum.right5.17817%–yes
Right Inferior Occipital Gyrusrightcerebrum.right11.85375%–yes
Right Lingual Gyrusrightcerebrum.right13.26258%–yes
Right Middle Occipital Gyrusrightcerebrum.right9.30658%–yes
Right Occipital Polerightcerebrum.right5.37250%–yes
Right Occipital Fusiform Gyrusrightcerebrum.right6.80692%–yes
Right Superior Occipital Gyrusrightcerebrum.right5.3628%–yes
Right Angular Gyrusrightcerebrum.right9.73933%–yes
Right Postcentral Gyrusrightcerebrum.right1.07333%–yes
Right Precuneusrightcerebrum.right14.52975%disconnected mask (380 components, largest 50%)yes
Right Parietal Operculumrightcerebrum.right3.00733%–yes
Right Postcentral Gyrusrightcerebrum.right16.56858%–yes
Right Supramarginal Gyrusrightcerebrum.right9.39067%–yes
Right Superior Parietal Lobulerightcerebrum.right13.87142%–yes
Right Fusiform Gyrusrightcerebrum.right4.5430%–yes
Right Inferior Temporal Gyrusrightcerebrum.right11.71883%–yes
Right Middle Temporal Gyrusrightcerebrum.right14.34933%–yes
Right Parahippocampal Gyrusrightcerebrum.right0.87442%disconnected mask (89 components, largest 52%)yes
Right Planum Polarerightcerebrum.right2.78867%–yes
Right Planum Temporalerightcerebrum.right2.05642%–yes
Right Superior Temporal Gyrusrightcerebrum.right8.18758%–yes
Right Temporal Polerightcerebrum.right10.38958%–yes
Right Transverse Temporal Gyrusrightcerebrum.right1.3698%–yes
Right Accumbensrightcerebrum.right0.57375%–yes
Right Amygdalarightcerebrum.right0.06942%disconnected mask (7 components, largest 56%)yes
Right Basal Forebrainrightcerebrum.right0.35867%–yes
Right Caudaterightcerebrum.right3.19167%–yes
Right Hippocampusrightcerebrum.right0.7288%disconnected mask (96 components, largest 24%)yes
Right Pallidumrightcerebrum.right1.01475%–yes
Right Putamenrightcerebrum.right5.67467%–yes
Right Thalamusrightcerebrum.right3.71217%–yes
Right Ventral Diencephalonrightcerebrum.right3.22775%disconnected mask (94 components, largest 26%)yes
Right Opifg Opercular Part Of the ifgrightcerebrum.right5.44483%–yes
Right Orifg Orbital Part Of the ifgrightcerebrum.right1.99258%–yes
Right Trifg Triangular Part Of the ifgrightcerebrum.right4.43367%–yes
Right Cerebral White Matterrightcerebrum.right300.27942%–yes
Fourth Ventriclemidlineventricles0.29133%–yes
Left Inferior Lateral Ventricleleftventricles0.11942%labelled 'left' but centroid sits on the right of midline|disconnected mask (17 components, largest 48%)yes
Right Inferior Lateral Ventriclerightventricles0.19133%disconnected mask (31 components, largest 43%)yes
Left Lateral Ventricleleftventricles9.91333%–yes
Right Lateral Ventriclerightventricles10.50917%labelled 'right' but centroid sits on the left of midlineyes
Third Ventriclemidlineventricles1.17542%–yes

Cohort %: percentile of this volume across 19 other subjects in this workspace's local cohort. Small, unnormalised sample: a working reference, not a population norm.