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Surgery II - OSCE > L5: Brain Tumors > Flashcards

L5: Brain Tumors Flashcards

(61 cards)

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1
Q
A
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2
Q

Def of Brain Tumors

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3
Q

Classification of Brain Tumors

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4
Q

Classification of Brain Tumors

  • According to Anatomy
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5
Q

Anatomical Classification of Brain Tumors

  • Tentorium
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6
Q

Classification of Brain Tumors

  • Axial or Not
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7
Q

Classification of Brain Tumors

  • Pathological
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8
Q

Most Common 1ry Brain Tumors

A

Gliomas

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9
Q

2nd Most common 1ry Brain Tumor

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Meningiomas

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10
Q

Classification of Brain Tumors

  • Affected Lobe
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11
Q

Incidence of Pediatric brain tumors

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Most common Primary Brain Tumors

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12
Q

Sites & Types of Pediatric brain tumors

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13
Q

Supra-tentorial Pediatric brain tumors

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  1. Astrocytoma
  2. Pineal tumors
  3. Craniopharyngioma
  4. PNET
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14
Q

Infra-tentorial Pediatric brain tumors

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15
Q

CP of Pediatric brain tumors

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The presenting clinical features of posterior fossa neoplasms in children are related to:

  1. Raised intracranial pressure.
  2. Focal neurological signs.
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16
Q

CP of Brain Tumors

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17
Q

Increased ICP

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18
Q

Mass effect & Midline Shift

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19
Q

Functioning pituitary adenoma

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20
Q

Focal CP of Brain Tumors

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21
Q

Focal CP of Brain Tumors

  • Frontal Lobe
A
  1. Contralateral UMNL weakness.
  2. Contralateral motor Jacksonian or generalized seizures.
  3. Expressive (Broca’s) dysphasia.
  4. Personality changes.
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22
Q

Focal CP of Brain Tumors

  • Temporal Lobe
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23
Q

Focal CP of Brain Tumors

  • Occipital Lobe
A

Visual disturbances

  1. Contralateral cortical blindness.
  2. Visual hallucinations or agnosia.
  3. Photosensitivity seizures.
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24
Q

Focal CP of Brain Tumors

  • Parietal Lobe
A

Sensory deficits

  1. Contralateral disturbed cortical sensation.
  2. Contralateral sensory or generalized seizures.
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25
Focal CP of **Brain Tumors** - Cerebellar
Disturbance in coordination and equilibrium.
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Dx of **Brain Tumors**
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Dx of **Brain Tumors** - Gold Standard
MRI Brain with contrast
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TTT of **Brain Tumors**
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Incidence of **Glioma**
Most common Primary Brain Tumors
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Source of **Glioma**
Malignant tumors arising from glial tissue
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Types of **Glioma**
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Types of **Glioma** - Astrocytoma
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Types of **Glioma** - Oligodendroglioma
- Slowly growing - Usually calcified tumor arising in the cerebral hemispheres.
34
Types of **Glioma** - Meduloblastoma
- Highly malignant tumor - Usually in children - Arising in relation to the vermis of the cerebellum.
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Types of **Glioma** - Ependymoma
- Intraventricular tumor - Arising from the ependymal cell lining.
36
CP of **Glioma**
1. Headache 2. Seizures 3. Language difficulty 4. Behavioral Changes 5. Hemiparesis
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Radiology of **Glioma**
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TTT of **Glioma**
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Source of **Meningioma**
Benign tumors arising from arachnoid cells.
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Types & Grades of **Meningioma**
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Sites of **Meningioma**
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CP of **Meningioma**
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Radiology of **Meningioma**
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Radiology of **Meningioma** - Plain X-ray
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Radiology of **Meningioma** - CT/MRI
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Radiology of **Meningioma** - Angiography
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TTT of **Meningioma**
Surgical Resection +/- Radiosurgery and/or chemotherapy
48
Source of **Acoustic Shwannoma**
- Arise mostly from superior vestibular nerve (Schwann cells) in internal auditory meatus - May grow into the cerebellopontine angle (containing V, VII & VIlI cranial nerves)
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CP of **Acoustic Shwannoma**
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Radiology of **Acoustic Shwannoma**
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TTT of **Acoustic Shwannoma**
Surgical Resection +/- Radiosurgery
52
Source of **Pituitary Adenoma**
- Mostly benign tumors - Arise mostly from the anterior lobe
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CP of **Pituitary Adenoma**
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Radiology of **Pituitary Adenoma**
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TTT of **Pituitary Adenoma**
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Types of **Pineal region Tumors**
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CP of **Pineal region Tumors**
1. Headache 2. Hydrocephalus 3. Perinaud's Syndrome
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Radiology of **Pineal region Tumors**
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TTT of **Pineal region Tumors**
- Surgery endoscopic biopsy or open resection and Radiotherapy depending.on histopathology.
60
Radiology of **2ry Metastatic Brain Tumors**
61
TTT of **2ry Metastatic Brain Tumors**

Surgery II - OSCE (20 decks)

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