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Pathology · Neoplasia: dysplasia
Sample itemWhat is epithelial dysplasia?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Disordered growth with cytologic atypia and loss of normal maturation
Dysplasia is disordered epithelial proliferation with atypia, architectural disturbance, and loss of maturation. It is often premalignant but may be reversible if the inciting insult is removed.
Option by option
A. Replacement by another mature cell type
Replacement by a mature cell type is metaplasia.
B. Increase in normal cell size only
Cell-size increase is hypertrophy.
C. Disordered growth with cytologic atypia and loss of normal maturation (correct)
Correct. Atypical disordered maturation defines dysplasia.
D. Metastatic spread to distant organs
Metastasis is a feature of invasive malignancy.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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