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Edvil Mateos

@MateosVillena

Jun 4 • 13 tweets • 9 min read Twitter logo

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Let's unveil more views of sectioned tubular objects.

-Case H&E 33864
Female 29 years
Wart left hand.
Diagnosis:
Deep palmo-plantar wart

(Via Virtual Pathology Slide Library)
#Foreingbodies #PathTwitter

Source: virtualpathology.leeds.ac.uk/slides/library…

Left slice:

Right slice:

Main punching points.

Details:

The deeper tips of the needles.

Details:

Oblique cuts of the tubes.

Penetration entries of the spines (holes).

Details:

Bottom of the lesion and tips of the spines.

Note:
Comparison of perpendicular and oblique cutting angle in the first image. One of the fibers (spine) is fully visible in the second image.

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More from @MateosVillena

Edvil Mateos

@MateosVillena

Jun 4

Microscopies of misdiagnosed foreign body pathologies of the skin 🧵
#foreignbodies #dermatology

https://twitter.com/MateosVillena/status/1664992755188154371?t=orJYGHgr6XBIw0dUozJMUA&s=19

https://twitter.com/MateosVillena/status/1665158434734448642?t=orJYGHgr6XBIw0dUozJMUA&s=19

Read 5 tweets

Edvil Mateos

@MateosVillena

Jun 4

What are we looking at?
Is this a tubular object?

-Case H&E 1108
Male 65 years
Warty lesion on face
Diagnosis:
Squamous carcinoma

(Via Virtual Pathology Slide Library)
#dermatology #Microscopy #glochid

Source: virtualpathology.leeds.ac.uk/slides/library…

A section of a tube is an ellipsoid, which can be a circle when the section is perpendicular to the tube.

Read 4 tweets

Edvil Mateos

@MateosVillena

Jun 3

Spot the transparent thorns
Clue: some look like horns

- Case H&E 1080
Female 45 years
Warty lesion on hand
Diagnosis:
Squamous papilloma

(Via Virtual Pathology Slide Library)
#Skin #Wart #HPV #Glochids #Dermatology

Link: virtualpathology.leeds.ac.uk/slides/library…

Here there are some horns, tip of thorns

Read 5 tweets

Edvil Mateos

@MateosVillena

Jun 2

Mechanical irritant dermatitis
What is inside the itching?
#dermatology

The outer skin of the little lump is decapitated with a needle, revealing a small thorn. Then the rest of the spines are "combed" with the needle, scratching the skin.