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Esophagus > Anatomy > Flashcards

Anatomy Flashcards

1
Q

Break down the important anatomies of esophagus

A

cervical, upper thoracic, mid thoracic, lower thoracic/GEJ, then GEJ tumor (Siewert type 1, 2, 3)

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2
Q

Define Siewert type 1

A

1-5 cm superior to cardia

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3
Q

Define Siewert type 2

A

At cardia or up to 1 cm superior and 2 cm inferior

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4
Q

What is the relative anatomy of esophagus to pharynx, stomach, and trachea?

A

Esophagus extends form the pharynx to the stomach, trachea anteriorly

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5
Q

What is the rough total length of esophagus?

A

25 cm

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6
Q

What marks the junction of the stomach and esophagus?

A

Cardia

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7
Q

Define Siewart type 3

A

2-5 cm inferior to cardia

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8
Q

What is the GEJ tumor classification?

A

Siewart type 1-3

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9
Q

What is the landmark for cervical esophagus cancer?

A

C6: distal hypopharynx

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10
Q

How far away from the upper incisors is for cervical?

A

15-18 cm

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11
Q

How far away from the upper incisors is for upper thoracic esophageal cancer?

A

18-24 cm

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12
Q

What is the landmark for upper thoracic esophageal cancer?

A

Carina is at 24 cm from the upper incisors

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13
Q

What is carina?

A

In anatomy, the carina is a ridge of cartilage in the trachea that occurs between the division of the two main bronchi

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14
Q

How far away from the upper incisors is for mid thoracic esophageal cancer?

A

24 - 32 cm from the upper incisors

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15
Q

How far away from the upper incisors is for lower thoracic/GEJ esophageal cancer?

A

32 - 40 cm form the upper incisors

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16
Q

What are the elective nodal coverage for cervical/upper thoracic esophageal cancer?

A

periesophageal, mediastinal, supraclavicular

17
Q

What is the elective nodal coverage for mid thoracic esophageal cancer?

A

periesophageal, mediastinal

18
Q

What is the elective nodal coverage for lower thoracic esophageal cancer?

A

periesophageal, mediastinal, perigastric, celiac

Esophagus (6 decks)

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