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Diagnostic Imaging
Bone Infection
27
Veterinary Medicine
Professional
03/04/2012

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Cards

Term
T/F: Bone infection usually results in productive lesions
Definition
F
Term
T/F: In bone infection, cortical destruction is minimal.
Definition
T
Term
Fungal dz is (more/less) productive w/ a mixed pattern.
Definition
More
Term
T/F: Etiology of bone infection determines location.
Definition
T
Term
If the etiology is hematogenous, the location is _____.
Definition
Metaphyseal/Epiphyseal
Term
T/F: Hematogenous bone infection is usually seen in skeletally mature patients.
Definition
F
Term
T/F: Hematogenous bone infection is usually monostotic
Definition
F
Term
T/F: Periosteal response is more prominent later in hematogenous infection.
Definition
T
Term
T/F: Zone of transition may be rather long w/ hematogenous infection.
Definition
T
Term
T/F: Sequestrum is common w/ hematogenous infection
Definition
F
Term
What is the Ddx for a single fungal lesion?
Definition
Metastatic tumor, Primary bone tumor, Bacterial infection (Hematogenous, Puncture/Bite Wound)
Term
What is the Ddx for multiple fungal lesions?
Definition
Metastatic Tumor, Multicentric primary tumor, Hematogenous bacterial infection
Term
Name 3 multicentric primary tumors
Definition
Lymphosarcoma
Reticular Cell Sarcoma
Malignant Histiocytosis
Term
T/F: Coccidiomycosis lesions have a more chronic/mature appearance
Definition
T
Term
What is the name for a combination of reparative + destructive features? Name a dz category where it is seen.
Definition
Honeycombing; Fungal infection
Term
T/F: Fungal bone infections have a long zone of transition.
Definition
F
Term
Why might an involucrum/sequestrum form with bone infection secondary to bite/puncture wound?
Definition
Injury of blood supply to cortical bone
Term
What is a sequestrum?
Definition
Cortical bone w/o a blood supply
Term
T/F: Infected environment may cause continued loss of blood supply to a sequestrum
Definition
T
Term
T/F: Sequestra generate periosteal new bone
Definition
F
Term
What type of bone usually gets sequestered?
Definition
Cortical
Term
Describe absorption of a sequestrum
Definition
Slow; Complete or incomplete
Term
T/F: Modeling of a sequestrum varies d/o age.
Definition
T
Term
T/F: Sequestrum is a common sequel to hematogenous osteomyelitis.
Definition
F
Term
T/F: HO causes a marked periosteal new bone formation that could resemble an infectious bone lesion.
Definition
T
Term
T/F: Hepatozoonosis lesions are similar to those of HO
Definition
T
Term
T/F: Hepatozoonosis lesions are more commonly in distal bones (radius/ulna, tibia/fibula)
Definition
F
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