Right Frontal Lobectomy: Potential Complications & Recovery Considerations

Right frontal lobectomy—resection of the right frontal lobe—is performed for tumors (glioma, metastasis), epilepsy, trauma, or vascular malformations. The right frontal lobe governs non-dominant functions: attention, executive control, mood regulation, motor planning, and spatial awareness. Complications reflect this anatomy.

Key Complications

Complication	Mechanism / Presentation	Incidence / Notes
Frontal Lobe Syndrome (Dysexecutive)	Disinhibition, apathy, poor planning, impaired judgment, personality change, perseveration, anosognosia	Common (30–50%); often transient (weeks–months); severity correlates with resection extent (especially medial/orbital).
Contralateral Motor Deficit	Left face/arm/leg weakness (precentral gyrus / corticospinal tract)	Risk if tumor involves or abuts motor strip. Intraoperative mapping (MEP, direct stimulation) reduces risk.
Apraxia (Ideomotor)	Inability to execute learned movements on command (left limb) despite intact strength/sensation	Left parietal/premotor disconnection; right frontal contribution. Often improves.
Expressive Language Deficits (Rare)	Transcortical motor aphasia (supplementary motor area - SMA syndrome)	Mutism → reduced speech → recovery in days-weeks. Preserved repetition. Distinct from left Broca’s aphasia.
Seizures	Early (≤1 wk): cortical irritation. Late (>1 wk): gliosis, scarring.	20–40% overall; prophylaxis (levetiracetam) standard 1–4 wks. Chronic epilepsy risk if tumor was epileptogenic.
Cerebral Edema	Vasogenic (BBB disruption) + cytotoxic	Peaks 24–72h post-op. Managed: dexamethasone (tumor), hypertonic saline/mannitol, HOB 30°. Can cause herniation if severe.
Hydrocephalus	CSF obstruction (foramen of Monro, third ventricle) from edema, blood, tumor debris	May require EVD → VP shunt. Monitor ventriculomegaly on serial imaging.
Infection	Wound (superficial/deep), meningitis, brain abscess	1–3%. Perioperative antibiotics, sterile technique. Hardware (plates) increases risk.
Hemorrhage / Hematoma	Intracerebral, subdural, epidural, subgaleal	1–2%. Coagulopathy, hypertension, vascular anomaly. May need emergent re-evacuation.
Venous Thromboembolism (VTE)	DVT/PE from immobility, hypercoagulability (cancer), surgery	Mechanical + pharmacologic prophylaxis (LMWH) standard unless contraindicated.
Mortality	Direct surgical mortality	1–3% for elective tumor; higher for emergency/trauma. Multifactorial.

Recovery & Rehabilitation

• ICU/Step-down: 1–3 days (neuro checks q1h initially).
• Early mobilization (Day 0–1) – prevents VTE, pneumonia, deconditioning.
• Neuropsychological assessment (baseline + serial) – guides cognitive rehab.
• PT/OT/SLP as needed for motor, ADL, communication, swallowing.
• Outpatient follow-up: imaging (3–6 mo), oncology (if tumor), seizure management, neuropsych.
• Return to work/driving: Highly variable; requires medical clearance.

Right frontal lobectomy carries a distinct neuropsychological profile. Preoperative counseling about frontal lobe syndrome and SMA syndrome is essential for informed consent and family preparation.