Difference between revisions of "Cytologically Yours: CoW: 20140220"
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Revision as of 22:36, 4 March 2014
Contents
Clinical Summary
The patient is a 58 year old male with back and neck pain.
Past Medical History
- Cervical spondylosis
- Hypertension
- Hyperlipidemia
Past Surgical History
- No surgical history
Radiology
- Ultrasound of the neck shows a solid interpolar nodule 1.8 x 1.6 cm in the left lobe of the thyroid.
Clinical Plan
Fine needle aspiration of the nodule is scheduled.
Pathology
Cytology
40x magnification of highly atypical malignant appearing cells.
20x magnification showing osteoid formation.
40x magnification showing osteoid formation and malignant appearing cells.
40x magnification showing osteoid formation and malignant appearing cells.
40x magnification of osteoid.
Resident Questions
Final Diagnosis
Cytology
- Follicular neoplasm.
Discussion
The diagnostic criteria for follicular lesions are based on cellularity and the presence of colloid. Follicular lesions will be cellular with an absence of the variability in the size of the follicular groups, with a predominately microfollicular pattern. Colloid will be scant to absent, except for the presence of inspissated colloid in the center of follicular groups. There is often a disorganized, crowded follicular pattern with some nucleomegaly and nucleoli.
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