Placental villous immaturity - Revision history

Michael: more images

2014-06-27T00:15:29Z

more images

← Older revision		Revision as of 00:15, 27 June 2014
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	{{ Infobox diagnosis		{{ Infobox diagnosis
	\| Name = {{PAGENAME}}		\| Name = {{PAGENAME}}
	\| Image = Placental_villous_immaturity_-_low_mag.jpg		\| Image = Placental_villous_immaturity_--_low_mag.jpg
	\| Width =		\| Width =
	\| Caption = Placental villous immaturity. [[H&E stain]].		\| Caption = Placental villous immaturity. [[H&E stain]].
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	===Images===		===Images===
			<gallery>
			Image:Placental_villous_immaturity_--_low_mag.jpg \|Placental villous immaturity - low mag. (WC)
			Image:Placental_villous_immaturity_--_intermed_mag.jpg \|Placental villous immaturity - intermed. mag. (WC)
			Image:Placental_villous_immaturity_--_high_mag.jpg \|Placental villous immaturity - high mag. (WC)
			</gallery>

	<gallery>		<gallery>
	Image:Placental_villous_immaturity_-_low_mag.jpg \|Placental villous immaturity - low mag. (WC)		Image:Placental_villous_immaturity_-_low_mag.jpg \|Placental villous immaturity - low mag. (WC)

Michael: /* See also */

2014-04-26T14:14:13Z

Michael: /* Gestational age provided but not obvious */

2013-10-08T20:10:33Z

Gestational age provided but not obvious

← Older revision		Revision as of 20:10, 8 October 2013
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	COMMENT:		COMMENT:
	Large villi and villous edema are findings of placental villous immaturity;		Large villi and villous edema are findings of placental villous immaturity;
	in this placenta, these changes are present but not ~~overt~~.		in this placenta, these changes are present but not well developed.

	Placental villous immaturity is most often associated with maternal diabetes.		Placental villous immaturity is most often associated with maternal diabetes.

Michael: /* Gestational age provided but not obvious */

2013-10-08T20:06:18Z

Gestational age provided but not obvious

← Older revision		Revision as of 20:06, 8 October 2013
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	- THREE VESSEL UMBILICAL CORD WITHIN NORMAL LIMITS.		- THREE VESSEL UMBILICAL CORD WITHIN NORMAL LIMITS.
	- FETAL MEMBRANES WITHIN NORMAL LIMITS.		- FETAL MEMBRANES WITHIN NORMAL LIMITS.
			</pre>

			<pre>
			PLACENTA, UMBILICAL CORD AND FETAL MEMBRANES, BIRTH:
			- LARGE PLACENTA (655 GRAMS -- TRIMMED, POST-FIXATION WEIGHT)
			WITH MILDLY LARGE VILLI AND FOCAL VILLOUS EDEMA, SEE COMMENT.
			- THREE VESSEL UMBILICAL CORD WITHIN NORMAL LIMITS.
			- FETAL MEMBRANES WITHIN NORMAL LIMITS.

			COMMENT:
			Large villi and villous edema are findings of placental villous immaturity;
			in this placenta, these changes are present but not overt.

			Placental villous immaturity is most often associated with maternal diabetes.
	</pre>		</pre>

Michael: /* Gestational age provided by not obvious */

2013-10-08T18:58:50Z

Gestational age provided by not obvious

← Older revision		Revision as of 18:58, 8 October 2013
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	</pre>		</pre>

	===Gestational age provided by not obvious===		===Gestational age provided but not obvious===
	<pre>		<pre>
	PLACENTA, UMBILICAL CORD AND FETAL MEMBRANES, BIRTH:		PLACENTA, UMBILICAL CORD AND FETAL MEMBRANES, BIRTH:

Michael at 12:57, 27 September 2013

2013-09-27T12:57:26Z

← Older revision		Revision as of 12:57, 27 September 2013
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	\| Micro = Increased numbers of intermediate villi (in relation to the gestational age) - increased vascularity and more central vessels, edema, +/-macrophages, less mature terminal villi		\| Micro = Increased numbers of intermediate villi (in relation to the gestational age) - increased vascularity and more central vessels, edema, +/-macrophages, less mature terminal villi
	\| Subtypes =		\| Subtypes =
	\| LMDDx = [[chorangiosis]], prematurity		\| LMDDx = [[chorangiosis]], [[villous edema]], prematurity
	\| Stains =		\| Stains =
	\| IHC =		\| IHC =
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	DDx:		DDx:
	*[[Chorangiosis]].		*[[Chorangiosis]].
			*[[Villous edema]], isolated.

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

Michael: more

2013-09-27T12:28:34Z

← Older revision		Revision as of 12:28, 27 September 2013
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	\| ClinDDx =		\| ClinDDx =
	}}		}}
	'''Placental villous immaturity''', abbreviated ''PVI'', is a relatively common pathology of the [[placenta]].		'''Placental villous immaturity''', abbreviated '''PVI''', is a relatively common pathology of the [[placenta]].

	It is also known as '''distal villous immaturity''', '''villous immaturity''', and '''villous dysmaturity'''.<ref name=Ref_Placenta_375>{{Ref Placenta\|375}}</ref>		It is also known as '''distal villous immaturity''', '''villous immaturity''', and '''villous dysmaturity'''.<ref name=Ref_Placenta_375>{{Ref Placenta\|375}}</ref>
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	*[[Diabetes]].		*[[Diabetes]].
	*[[Placenta]].		*[[Placenta]].
			*[[Placentomegaly]].

	==References==		==References==

Michael: tweak

2013-09-27T12:28:00Z

tweak

← Older revision		Revision as of 12:28, 27 September 2013
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	\| Molecular =		\| Molecular =
	\| IF =		\| IF =
	\| Gross =		\| Gross = +/-large placenta for gestational age
	\| Grossing =		\| Grossing =
	\| Site =		\| Site = [[placenta]]
	\| Assdx = [[diabetes]]		\| Assdx = [[diabetes]], [[placentomegaly]]
	\| Syndromes = [[Beckwith-Wiedemann syndrome]]		\| Syndromes = [[Beckwith-Wiedemann syndrome]]
	\| Clinicalhx =		\| Clinicalhx = +/-diabetes
	\| Signs =		\| Signs =
	\| Symptoms =		\| Symptoms =
	\| Prevalence =		\| Prevalence = common
	\| Bloodwork =		\| Bloodwork = +/-elevated maternal blood sugar
	\| Rads =		\| Rads =
	\| Endoscopy =		\| Endoscopy =

Michael: split-out

2013-09-27T12:23:53Z

split-out

← Older revision		Revision as of 12:23, 27 September 2013
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	~~#redirect~~ [[~~Placenta#~~Placental villous immaturity]]		{{ Infobox diagnosis
			\| Name = {{PAGENAME}}
			\| Image = Placental_villous_immaturity_-_low_mag.jpg
			\| Width =
			\| Caption = Placental villous immaturity. [[H&E stain]].
			\| Micro = Increased numbers of intermediate villi (in relation to the gestational age) - increased vascularity and more central vessels, edema, +/-macrophages, less mature terminal villi
			\| Subtypes =
			\| LMDDx = [[chorangiosis]], prematurity
			\| Stains =
			\| IHC =
			\| EM =
			\| Molecular =
			\| IF =
			\| Gross =
			\| Grossing =
			\| Site =
			\| Assdx = [[diabetes]]
			\| Syndromes = [[Beckwith-Wiedemann syndrome]]
			\| Clinicalhx =
			\| Signs =
			\| Symptoms =
			\| Prevalence =
			\| Bloodwork =
			\| Rads =
			\| Endoscopy =
			\| Prognosis =
			\| Other =
			\| ClinDDx =
			}}
			'''Placental villous immaturity''', abbreviated ''PVI'', is a relatively common pathology of the [[placenta]].

			It is also known as '''distal villous immaturity''', '''villous immaturity''', and '''villous dysmaturity'''.<ref name=Ref_Placenta_375>{{Ref Placenta\|375}}</ref>

			==General==
			Associated with:
			*[[Diabetes mellitus]].<ref name=pmid1856519>{{Cite journal \| last1 = Arizawa \| first1 = M. \| last2 = Nakayama \| first2 = M. \| last3 = Kidoguchi \| first3 = K. \| title = [Correlation of placental villous immaturity and dysmaturity with clinical control of maternal diabetes]. \| journal = Nihon Sanka Fujinka Gakkai Zasshi \| volume = 43 \| issue = 6 \| pages = 595-602 \| month = Jun \| year = 1991 \| doi = \| PMID = 1856519 }}</ref>
			*[[Beckwith-Wiedemann syndrome]].
			*Intrauterine fetal demise near term.<ref name=pmid15138817>{{Cite journal \| last1 = Stallmach \| first1 = T. \| last2 = Hebisch \| first2 = G. \| title = Placental pathology: its impact on explaining prenatal and perinatal death. \| journal = Virchows Arch \| volume = 445 \| issue = 1 \| pages = 9-16 \| month = Jul \| year = 2004 \| doi = 10.1007/s00428-004-1032-2 \| PMID = 15138817 }}</ref>

			==Microscopic==
			Features:<ref name=Ref_Placenta_375>{{Ref Placenta\|375}}</ref>
			*Increased numbers of (immature) intermediate villi (in relation to the gestational age) with:
			**Increased number of capillaries.
			**Edema.
			**Macrophages.
			**Large diffusion distance (vessel-to-villous surface distance large).
			*Less (mature) terminal villi.<ref name=pmid18382864>{{Cite journal \| last1 = Daskalakis \| first1 = G. \| last2 = Marinopoulos \| first2 = S. \| last3 = Krielesi \| first3 = V. \| last4 = Papapanagiotou \| first4 = A. \| last5 = Papantoniou \| first5 = N. \| last6 = Mesogitis \| first6 = S. \| last7 = Antsaklis \| first7 = A. \| title = Placental pathology in women with gestational diabetes. \| journal = Acta Obstet Gynecol Scand \| volume = 87 \| issue = 4 \| pages = 403-7 \| month = \| year = 2008 \| doi = 10.1080/00016340801908783 \| PMID = 18382864 }}</ref>

			DDx:
			*[[Chorangiosis]].

			===Images===
			<gallery>
			Image:Placental_villous_immaturity_-_low_mag.jpg \|Placental villous immaturity - low mag. (WC)
			Image:Placental_villous_immaturity_-_intermed_mag.jpg \|Placental villous immaturity - intermed. mag. (WC)
			</gallery>

			==Sign out==
			===Large placenta and gestational age not provided===
			<pre>
			PLACENTA, UMBILICAL CORD AND FETAL MEMBRANES, BIRTH:
			- LARGE PLACENTA (650 GRAMS -- TRIMMED, POST-FIXATION WEIGHT)
			WITH IMMATURE VILLI AND VILLOUS EDEMA, SEE COMMENT.
			- THREE VESSEL UMBILICAL CORD WITHIN NORMAL LIMITS.
			- FETAL MEMBRANES WITHIN NORMAL LIMITS.

			COMMENT:
			The findings are suggestive of placental villous immaturity.
			</pre>

			===Gestational age not provided===
			<pre>
			PLACENTA, UMBILICAL CORD AND FETAL MEMBRANES, BIRTH:
			- PLACENTAL DISC WITH IMMATURE VILLI AND VILLOUS EDEMA, SEE COMMENT.
			- THREE VESSEL UMBILICAL CORD WITHIN NORMAL LIMITS.
			- FETAL MEMBRANES WITHIN NORMAL LIMITS.

			COMMENT:
			The findings are suggestive of placental villous immaturity.
			</pre>

			===Gestational age provided by not obvious===
			<pre>
			PLACENTA, UMBILICAL CORD AND FETAL MEMBRANES, BIRTH:
			- PLACENTAL DISC WITH MILDLY LARGE VILLI FOR GESTATIONAL AGE AND FOCAL
			VILLOUS EDEMA.
			- THREE VESSEL UMBILICAL CORD WITHIN NORMAL LIMITS.
			- FETAL MEMBRANES WITHIN NORMAL LIMITS.
			</pre>

			==See also==
			*[[Diabetes]].
			*[[Placenta]].

			==References==
			{{Reflist\|2}}

			[[Category:Placenta]]
	[[Category:Diagnosis]]		[[Category:Diagnosis]]

Michael: redirect

2011-10-18T04:40:49Z

redirect

New page

#redirect [[Placenta#Placental villous immaturity]]

[[Category:Diagnosis]]

← Older revision		Revision as of 14:14, 26 April 2014
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	*[[Placenta]].		*[[Placenta]].
	*[[Placentomegaly]].		*[[Placentomegaly]].
			*[[Distal villous hypoplasia]].

	==References==		==References==