DXI II Exam 1 2024/2025 Exam Questions and Corresponding Answers with Surety of 100% Pass Mark

DXI II Exam 1 2024/2025 Exam Questions
and Corresponding Answers with Surety
of 100% Pass Mark



What is osteoma Age/Sex predilection? - 🧠ANSWER ✔✔10-50 Years Old,

20 Peak

3:1 Female


What is most common location of an osteoma? - 🧠ANSWER ✔✔Skull or

Facial Bones, especially frontal or ethmoid sinuses


What are the features of the lesion of an osteoma? - 🧠ANSWER ✔✔Round

or oval, well circumscribed, radioopaque

What can be the complications/ detrimental effects from an osteoma? -

🧠ANSWER ✔✔-Block sinus drainage,mucocele, sunusitis, headache,

cosmetic deformity


What is the triad of Gardener's Syndrome? - 🧠ANSWER ✔✔-Multiple

osteomas

-Colonic polyposis (premalignant)

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,-Soft tissue fibromas

If a patient is found to have Gardener's syndrome, what should you do and

why? - 🧠ANSWER ✔✔Have colon checked for polyps as they can become

malignant and metastasize


What is age/sex predilection for an enostoma? - 🧠ANSWER ✔✔Any ages,

either sex, more common in adults

Which bones would you expect to find an enostoma? - 🧠ANSWER

✔✔ischium, sacrum, proximal femur


Which aspect of long bone is an enostoma found in? - 🧠ANSWER

✔✔metaphysis or epiphysis, NOT diaphysis


Is an enostoma usually found in the skull? - 🧠ANSWER ✔✔No


What complications will an enostoma present to the patient? - 🧠ANSWER

✔✔None, asymptomatic. Arises as an incidental finding


How does an enostoma appear radiographically? - 🧠ANSWER ✔✔Solitary

area of sclerosis w/ sharply demarcated margins. Thorn-like radiating

spicules




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,What buzz term is often used to describe an enostoma's appearance? -

🧠ANSWER ✔✔Brush border


How big does an enostoma need to measure to be labeled a "giant bone

island?" - 🧠ANSWER ✔✔greater than 1 cm


What can an enostoma look like and why? - 🧠ANSWER ✔✔Can resemble

blastic mets due to lamellar bone in spongiosa


What is osteopoikilosis; where does it occur? - 🧠ANSWER ✔✔-Multiple

bone islands

-Near joints or on both sides of joints


What is age/sex predilection for osteoid osteoma? - 🧠ANSWER ✔✔-10-25

years old

-2:1 male


Where is an osteoid osteoma most likely found? - 🧠ANSWER ✔✔-50% in

lower extremities (femur or tibia)

-Less common in spine, but when present

--likes neural arch/posterior elements

--occurs 60% in lumbar spine

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, --can cause "ivory pedicle"

What are the features of an osteoid osteoma in the spine and what

complications can it cause? - 🧠ANSWER ✔✔-Likes neural arch/posterior

elements

-In lumbar spine 60% of the time

-Can cause ivory pedicle

-Can cause scoliosis with lesion on concave side

What are the features of the lesion of an osteoid osteoma? - 🧠ANSWER

✔✔-Central, lucent nidus <1cm in size (lucency could be obscured by

sclerosis)

What will be the result of a bone scan on an osteoid osteoma? -

🧠ANSWER ✔✔Double density sign!


(hot spot on a hot spot)

What is the potential DDX for an osteoid osteoma? - 🧠ANSWER

✔✔Brodie's abcess


What is the age/sex predilection for an osteoblastoma? - 🧠ANSWER ✔✔-

Can occur from 3-78 though the peak is from 10-20 years of age.


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STATEMENT. ALL RIGHTS RESERVED