Head and neck cytopathology - Revision history

Michael: +image

2024-11-04T16:09:20Z

+image

← Older revision		Revision as of 16:09, 4 November 2024
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			[[Image:Pleomorphic adenoma - cytology -- high mag.jpg\|right\|thumb\|[[Micrograph]] showing a pleomorphic adenoma. [[Pap stain]].]]
	'''Head and neck cytopathology''' is a small part of cytopathology. Non-cytopathology head & neck pathology is dealt with in the ''[[head and neck pathology]]'' article.		'''Head and neck cytopathology''' is a small part of cytopathology. Non-cytopathology head & neck pathology is dealt with in the ''[[head and neck pathology]]'' article.

Michael: +amylase crystals

2024-11-04T05:40:59Z

+amylase crystals

← Older revision		Revision as of 05:40, 4 November 2024
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	*Tyrosine crystalloids: floret-like structures, refractile.		*Tyrosine crystalloids: floret-like structures, refractile.
	*Collagenous crystalloids: needle-shaped, radially arranged.		*Collagenous crystalloids: needle-shaped, radially arranged.

			====Images====
			<gallery>
			Image: Amylase crystals - parotid -- intermed mag.jpg \| Amylase crystals - parotid - intermed. mag.
			Image: Amylase crystals - parotid - alt -- intermed mag.jpg \| Amylase crystals - parotid - intermed. mag.
			Image: Amylase crystals - parotid -- high mag.jpg \| Amylase crystals - parotid - high mag.
			Image: Amylase crystals - parotid - alt -- high mag.jpg \| Amylase crystals - parotid - high mag.
			Image: Amylase crystals - parotid -- very high mag.jpg \| Amylase crystals - parotid - very high mag.
			Image: Amylase crystals - parotid - alt -- very high mag.jpg \| Amylase crystals - parotid - very high mag.
			Image: Amylase crystals - parotid - alt2 -- very high mag.jpg \| Amylase crystals - parotid - very high mag.

			Image: Amylase crystals - parotid -- high mag.gif \| Amylase crystals - parotid - animation - high mag.
			Image: Amylase crystals - parotid -- very high mag.gif \| Amylase crystals - parotid - animation - very high mag.
			</gallery>

	===Sign out===		===Sign out===

Michael at 14:41, 3 June 2024

2024-06-03T14:41:54Z

← Older revision		Revision as of 14:41, 3 June 2024
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	*Tyrosine crystalloids: floret-like structures, refractile.		*Tyrosine crystalloids: floret-like structures, refractile.
	*Collagenous crystalloids: needle-shaped, radially arranged.		*Collagenous crystalloids: needle-shaped, radially arranged.

			===Sign out===
			<pre>
			Crystalloid material is present and has a rhomboid/polygonal shape with occasional "pointy" ends; this is in keeping with amylase crystals.
			</pre>

	==Pleomorphic adenoma==		==Pleomorphic adenoma==

Michael at 14:39, 3 June 2024

2024-06-03T14:39:42Z

← Older revision		Revision as of 14:39, 3 June 2024
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	==Crystals in salivary gland specimens==		==Crystals in salivary gland specimens==
	===General===		===General===
	*Uncommon.<ref name=pmid33296146>{{cite journal \|authors=Sun T, Faquin WC, Torous VF \|title=Crystalloids in FNA specimens of salivary gland lesions: A retrospective study in a single large institute \|journal=Cancer Cytopathol \|volume=129 \|issue=6 \|pages=432–438 \|date=June 2021 \|pmid=33296146 \|doi=10.1002/cncy.22395 \|url=}}</ref>		*Uncommon in general.
			**Typical location is: parotid (>85% salivary gland specimens with crystals<ref name=pmid33296146>{{cite journal \|authors=Sun T, Faquin WC, Torous VF \|title=Crystalloids in FNA specimens of salivary gland lesions: A retrospective study in a single large institute \|journal=Cancer Cytopathol \|volume=129 \|issue=6 \|pages=432–438 \|date=June 2021 \|pmid=33296146 \|doi=10.1002/cncy.22395 \|url=}}</ref>).
			*May be seen in the context of any diagnostic category (non-diagnostic, benign, neoplastic, malignant).
			**Approximately 40% of cases with crystals are benign or non-diagnositic.<ref name=pmid33296146/>
			**Approximately 10% of cases with crystals are suspicious or malignant.<ref name=pmid33296146/>

	DDx:		DDx:

Michael at 14:28, 3 June 2024

2024-06-03T14:28:45Z

← Older revision		Revision as of 14:28, 3 June 2024
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	*Mucoepidermoid carcinoma.		*Mucoepidermoid carcinoma.

	==~~Crystal~~ in salivary gland specimens==		==Crystals in salivary gland specimens==
	===General===		===General===
	*Uncommon.<ref name=pmid33296146>{{cite journal \|authors=Sun T, Faquin WC, Torous VF \|title=Crystalloids in FNA specimens of salivary gland lesions: A retrospective study in a single large institute \|journal=Cancer Cytopathol \|volume=129 \|issue=6 \|pages=432–438 \|date=June 2021 \|pmid=33296146 \|doi=10.1002/cncy.22395 \|url=}}</ref>		*Uncommon.<ref name=pmid33296146>{{cite journal \|authors=Sun T, Faquin WC, Torous VF \|title=Crystalloids in FNA specimens of salivary gland lesions: A retrospective study in a single large institute \|journal=Cancer Cytopathol \|volume=129 \|issue=6 \|pages=432–438 \|date=June 2021 \|pmid=33296146 \|doi=10.1002/cncy.22395 \|url=}}</ref>

Michael at 14:28, 3 June 2024

2024-06-03T14:28:29Z

← Older revision		Revision as of 14:28, 3 June 2024
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	*Squamous carcinoma.		*Squamous carcinoma.
	*Mucoepidermoid carcinoma.		*Mucoepidermoid carcinoma.

			==Crystal in salivary gland specimens==
			===General===
			*Uncommon.<ref name=pmid33296146>{{cite journal \|authors=Sun T, Faquin WC, Torous VF \|title=Crystalloids in FNA specimens of salivary gland lesions: A retrospective study in a single large institute \|journal=Cancer Cytopathol \|volume=129 \|issue=6 \|pages=432–438 \|date=June 2021 \|pmid=33296146 \|doi=10.1002/cncy.22395 \|url=}}</ref>

			DDx:
			*Amylase crystalloids ~ 75%.
			*Tyrosine crystalloids ~ 11%.
			*Collagenous crystalloids ~ 3%.
			*Undetermined type ~ 11%.

			===Cytology===
			Features:<ref name=pmid33296146/><ref>{{cite journal \|authors=Kishore M, Kaushal M, Dogra S \|title=Crystalloids in salivary gland lesion: A diagnostic clue \|journal=J Lab Physicians \|volume=11 \|issue=1 \|pages=100–101 \|date=2019 \|pmid=30983813 \|pmc=6437830 \|doi=10.4103/JLP.JLP_120_18 \|url=}}</ref>
			*Amylase crystalloids: rhomboid (or polygonal) +/- "pointy" ends, nonbirefringent.
			*Tyrosine crystalloids: floret-like structures, refractile.
			*Collagenous crystalloids: needle-shaped, radially arranged.

	==Pleomorphic adenoma==		==Pleomorphic adenoma==

Michael: /* Proposed Milan system for reporting salivary gland cytopathology */

2017-03-07T02:19:03Z

Proposed Milan system for reporting salivary gland cytopathology

← Older revision		Revision as of 02:19, 7 March 2017
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	\| Neoplasm		\| Neoplasm
	\| excision		\| excision
	\| subdivided into: (a) benign (b) salivary ~~lesion~~ of ~~unknown~~ malignant potential (SUMP)		\| subdivided into: (a) benign (b) salivary gland neoplasm of uncertain malignant potential (SUMP)
	\|-		\|-
	\| Suspicious for malignancy		\| Suspicious for malignancy

Michael: /* Proposed Milan system for reporting salivary gland cytopathology */ tweak

2017-03-07T02:16:57Z

Proposed Milan system for reporting salivary gland cytopathology: tweak

← Older revision		Revision as of 02:16, 7 March 2017
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	\|		\|
	\|-		\|-
	\| ~~Atypical~~		\| Atypia of undetermined significance (AUS)
	\| repeat FNA		\| repeat FNA
	\| use should be minimized <br>- like [[FLUS]] and [[ASCUS]]		\| use should be minimized <br>- like [[FLUS]] and [[ASCUS]]
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	\| Neoplasm		\| Neoplasm
	\| excision		\| excision
	\| subdivided into: (a) benign (b) ~~other~~		\| subdivided into: (a) benign (b) salivary lesion of unknown malignant potential (SUMP)
	\|-		\|-
	\| Suspicious for malignancy		\| Suspicious for malignancy

Michael: /* Proposed Milan system for reporting salivary gland cytopathology */

2017-03-07T02:06:04Z

Proposed Milan system for reporting salivary gland cytopathology

← Older revision		Revision as of 02:06, 7 March 2017
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	=Proposed Milan system for reporting salivary gland cytopathology=		=Proposed Milan system for reporting salivary gland cytopathology=
	:''Milan system'' ~~redirects~~ here.		:''Milan system'' and ''Milan classification'' redirect here.
	{\| class="wikitable"		{\| class="wikitable"
	\|-		\|-

Michael: /* Normal */

2016-12-06T16:10:43Z

Normal

← Older revision		Revision as of 16:10, 6 December 2016
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	[[Skeletal muscle]]:		[[Skeletal muscle]]:
	*Round red staining globs +/-apparent striations ~~with nuclei~~.		*Round red staining globs +/-apparent striations.
			*Nuclei more at edges (peripheral).

	===Images===		===Images===