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Difference between revisions of "Atypical ductal hyperplasia"
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Atypical ductal hyperplasia (view source)
Revision as of 15:36, 28 April 2016
, 15:36, 28 April 2016no edit summary
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = | |||
| Width = | |||
| Caption = | |||
| Synonyms = | |||
| Micro = cytologic and architectural features of low-grade DCIS (equal cell spacing, lumina round, variable architecture (classically [[cribriform]] or solid - may be micropapillary or papillary), small nuclei, small indistinct nucleoli); limited extent - either (1) two or less complete ducts, (2) <2 mm | |||
| Subtypes = | |||
| LMDDx = [[ductal carcinoma in situ]], [[invasive ductal carcinoma of the breast]] | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = | |||
| Grossing = | |||
| Staging = | |||
| Site = [[breast]] | |||
| Assdx = | |||
| Syndromes = | |||
| Clinicalhx = | |||
| Signs = | |||
| Symptoms = none | |||
| Prevalence = relatively common | |||
| Bloodwork = | |||
| Rads = suspicious calcifications | |||
| Endoscopy = | |||
| Prognosis = benign, increased risk of malignancy | |||
| Other = | |||
| ClinDDx = | |||
| Tx = lumpectomy when found on biopsy, follow-up if on extensional specimen | |||
}} | |||
'''Atypical ductal hyperplasia''', abbreviated '''ADH''', a benign [[breast pathology|breast lesion]] associated with an increased risk of [[malignancy]]. | '''Atypical ductal hyperplasia''', abbreviated '''ADH''', a benign [[breast pathology|breast lesion]] associated with an increased risk of [[malignancy]]. | ||
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==Microscopic== | ==Microscopic== | ||
Features: | Features: | ||
*Cytologic and architectural | *Cytologic and architectural features of low-grade DCIS. | ||
**Cell spacing ~ equal. | **Cell spacing ~ equal. | ||
**Lumina round. | **Lumina round. | ||
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DDx: | DDx: | ||
*Low-grade [[ | *Low-grade [[ductal carcinoma in situ]] (DCIS). | ||
*[[Florid epithelial hyperplasia of the usual type]] (FEHUT). | *[[Florid epithelial hyperplasia of the usual type]] (FEHUT). | ||