Atlas of Radiographic

Appearance of mesentery inNormality

Part One

VHP and corresponding CT

Confluence (flexure) between small bowel mesentery and right mesocolon

(A)

(D)

(C)

(B)

Hepatic mesenteric confluence (flexure) between the right and transverse mesocolon

(A)

(D)(B)

(C)

Right mesocolon – non flexural region(A)

(D)

(C)

(B)

Confluence (flexure) between transverse and left mesocolon (i.e. splenic flexure)

(A) (B)

Left mesocolon

(A)

(D)(B)

(C)

Rectosimgoid flexure between mesorectum and mesosigmoid (A) (C)

(B) (D)

Part Two

Vascular markings of flexural And non flexural

mesenteric regions

ileocaecal mesenteric flexure

Or

Confluence between small intestinal mesentery

And right mesocolon

Confluence between small intestinal mesentery and right mesocoloni.e. the ileocaecal mesenteric flexure

Ileocolic vessels in right mesocolon

Right mesocolon

Vascular markings

Right mesocolon – non-flexural region – vascular markings

Ileocolic vessels in right mesocolon

Right mesocolon – flexural and non-flexural regions – vascular markings

Ileocolic vessels in right mesocolon

Hepatic flexure

mesenteric confluence and vascular markings

Hepatic mesenteric flexure

Middle colic vessels in transverse mesocolon

Hepatic flexure – mesentery and vascular markings

Vessels in hepatic flexure

Transverse mesocolon

Transverse mesocolic vascular markings

Middle colic vessels in transverse colon

Transverse mesocolic vascular markings / hepatic mesenteric flexure

Middle colic vessels in transverse colon

Splenic flexure mesenteric confluence

And vascular markings

The Splenic Flexure – vascular markings

Left colic vessels in transverse colon, Splenic flexure and left mesocolon

The Splenic Flexure – vascular markings

Left colic vessels in transverse colon, Splenic flexure and left mesocolon

Splenic mesenteric flexural region and associated vascular markings

Middle and Left colic vessels in transverse colon,

Splenic flexure and left mesocolon

Left mesocolon

Vascular markings

Left mesocolon – non-flexural region – vascular markings

Left colic vessels in left mesocolon

Mesosigmoid

Vascular markings and rectosigmoid flexure

Mesosigmoid vascular markings – and submesosigmoidal retroperitoneum

Mesosigmoidal vascular markings – probable rectosigmoid junction – upper mesorectumThis is the rectosigmoid flexure