{"id":7524,"date":"2022-10-25T10:10:58","date_gmt":"2022-10-25T10:10:58","guid":{"rendered":"https:\/\/iboblr.in\/gupathsociety\/?page_id=7524"},"modified":"2022-10-28T08:31:04","modified_gmt":"2022-10-28T08:31:04","slug":"cow-2022-19","status":"publish","type":"page","link":"https:\/\/iboblr.in\/gupathsociety\/cow-2022-19\/","title":{"rendered":"cow-2022-19"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"7524\" class=\"elementor elementor-7524\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f91b646 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f91b646\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2e0f07c\" data-id=\"2e0f07c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-df5ef6a elementor-widget elementor-widget-html\" data-id=\"df5ef6a\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script>\r\njQuery(document).ready(function($) {\r\nvar delay = 100; setTimeout(function() {\r\n$('.elementor-tab-title').removeClass('elementor-active');\r\n $('.elementor-tab-content').css('display', 'none'); }, delay);\r\n});\r\n<\/script>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3fd553d elementor-widget elementor-widget-heading\" data-id=\"3fd553d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.6 - 28-02-2022 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">CASE OF THE WEEK<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26e2966 elementor-widget elementor-widget-text-editor\" data-id=\"26e2966\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.6 - 28-02-2022 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\tEditor:\u00a0Mahmut Akgul (<a href=\"https:\/\/mail.google.com\/mail\/?view=cm&amp;fs=1&amp;tf=1&amp;to=akgulm@amc.edu\" target=\"_blank\" rel=\"noopener\">akgulm@amc.edu<\/a>)\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e99cc1e elementor-widget elementor-widget-text-editor\" data-id=\"e99cc1e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>2022-19\/May 16<br \/><\/strong><\/p><p><strong>Contributors: Ankur Sangoi<\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b19b28f elementor-widget elementor-widget-text-editor\" data-id=\"b19b28f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\tMale in his 60s with 2.7cm renal mass, confined to kidney (pT1a). Partial nephrectomy is performed.\n\n\nCLICK ON THE BELOW THUMBNAILS TO ENLARGE PHOTOS.\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30ecfcd elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"30ecfcd\" data-element_type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.6 - 28-02-2022 *\/\n.elementor-widget-image-carousel .swiper-container{position:static}.elementor-widget-image-carousel .swiper-container .swiper-slide figure{line-height:inherit}.elementor-widget-image-carousel .swiper-slide{text-align:center}.elementor-image-carousel-wrapper:not(.swiper-container-initialized) .swiper-slide{max-width:calc(100% \/ var(--e-image-carousel-slides-to-show, 3))}<\/style>\t\t<div class=\"elementor-image-carousel-wrapper swiper-container\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\"><a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"30ecfcd\" data-elementor-lightbox-title=\"1\" e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NzYyMSwidXJsIjoiaHR0cHM6XC9cL2lib2Jsci5pblwvZ3VwYXRoc29jaWV0eVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyMlwvMTBcLzEuanBlZyIsInNsaWRlc2hvdyI6IjMwZWNmY2QifQ%3D%3D\" href=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/1.jpeg\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/1-300x139.jpeg\" alt=\"1\" \/><\/figure><\/a><\/div><div class=\"swiper-slide\"><a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"30ecfcd\" data-elementor-lightbox-title=\"2\" e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NzYyMiwidXJsIjoiaHR0cHM6XC9cL2lib2Jsci5pblwvZ3VwYXRoc29jaWV0eVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyMlwvMTBcLzIuanBlZyIsInNsaWRlc2hvdyI6IjMwZWNmY2QifQ%3D%3D\" href=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/2.jpeg\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/2-300x139.jpeg\" alt=\"2\" \/><\/figure><\/a><\/div><div class=\"swiper-slide\"><a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"30ecfcd\" data-elementor-lightbox-title=\"3\" 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class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/4-300x139.jpeg\" alt=\"4\" \/><\/figure><\/a><\/div><div class=\"swiper-slide\"><a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"30ecfcd\" data-elementor-lightbox-title=\"5\" e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NzYyNSwidXJsIjoiaHR0cHM6XC9cL2lib2Jsci5pblwvZ3VwYXRoc29jaWV0eVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyMlwvMTBcLzUuanBlZyIsInNsaWRlc2hvdyI6IjMwZWNmY2QifQ%3D%3D\" href=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/5.jpeg\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/5-300x139.jpeg\" alt=\"5\" \/><\/figure><\/a><\/div><div class=\"swiper-slide\"><a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"30ecfcd\" 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href=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/7.jpeg\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/7-300x139.jpeg\" alt=\"7\" \/><\/figure><\/a><\/div><div class=\"swiper-slide\"><a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"30ecfcd\" data-elementor-lightbox-title=\"8\" e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NzYyOCwidXJsIjoiaHR0cHM6XC9cL2lib2Jsci5pblwvZ3VwYXRoc29jaWV0eVwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyMlwvMTBcLzguanBlZyIsInNsaWRlc2hvdyI6IjMwZWNmY2QifQ%3D%3D\" href=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/8.jpeg\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/iboblr.in\/gupathsociety\/wp-content\/uploads\/2022\/10\/8-300x139.jpeg\" alt=\"8\" \/><\/figure><\/a><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\">\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-left\"><\/i>\t\t\t\t\t\t<span class=\"elementor-screen-only\">Previous<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\">\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-right\"><\/i>\t\t\t\t\t\t<span class=\"elementor-screen-only\">Next<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f6940ce elementor-widget elementor-widget-heading\" data-id=\"f6940ce\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quiz<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3b3fcc elementor-widget elementor-widget-accordion\" data-id=\"a3b3fcc\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.6 - 28-02-2022 *\/\n.elementor-accordion{text-align:left}.elementor-accordion .elementor-accordion-item{border:1px solid #d4d4d4}.elementor-accordion .elementor-accordion-item+.elementor-accordion-item{border-top:none}.elementor-accordion .elementor-tab-title{margin:0;padding:15px 20px;font-weight:700;line-height:1;cursor:pointer;outline:none}.elementor-accordion .elementor-tab-title .elementor-accordion-icon{display:inline-block;width:1.5em}.elementor-accordion .elementor-tab-title .elementor-accordion-icon svg{width:1em;height:1em}.elementor-accordion .elementor-tab-title .elementor-accordion-icon.elementor-accordion-icon-right{float:right;text-align:right}.elementor-accordion .elementor-tab-title .elementor-accordion-icon.elementor-accordion-icon-left{float:left;text-align:left}.elementor-accordion .elementor-tab-title .elementor-accordion-icon .elementor-accordion-icon-closed{display:block}.elementor-accordion .elementor-tab-title .elementor-accordion-icon .elementor-accordion-icon-opened,.elementor-accordion .elementor-tab-title.elementor-active .elementor-accordion-icon-closed{display:none}.elementor-accordion .elementor-tab-title.elementor-active .elementor-accordion-icon-opened{display:block}.elementor-accordion .elementor-tab-content{display:none;padding:15px 20px;border-top:1px solid #d4d4d4}@media (max-width:767px){.elementor-accordion .elementor-tab-title{padding:12px 15px}.elementor-accordion .elementor-tab-title .elementor-accordion-icon{width:1.2em}.elementor-accordion .elementor-tab-content{padding:7px 15px}}<\/style>\t\t<div class=\"elementor-accordion\" role=\"tablist\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1711\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"tab\" aria-controls=\"elementor-tab-content-1711\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">What is the correct diagnosis?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1711\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1711\"><p><span style=\"color: #000000;\"><span> a) Clear cell renal cell carcinoma with sarcomatoid differentiation<\/span><\/span><\/p><p><span style=\"color: #000000;\"><span> b) Mucinous tubular and spindle cell carcinoma<\/span><\/span><\/p><p><span style=\"color: #000000;\"><span> c) Collision tumor (clear cell renal cell carcinoma and angiomyolipoma)<\/span><\/span><\/p><p><span style=\"color: #000000;\"><span> d) Clear cell renal cell carcinoma with low grade spindle cell proliferation<\/span><\/span><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1712\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"tab\" aria-controls=\"elementor-tab-content-1712\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Quiz Answers<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1712\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1712\"><p>1. d<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1713\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"tab\" aria-controls=\"elementor-tab-content-1713\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Diagnosis<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1713\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1713\"><p>1. Clear cell renal cell carcinoma with low grade spindle cell proliferation.\u00a0<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1714\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"tab\" aria-controls=\"elementor-tab-content-1714\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Discussion<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1714\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1714\"><p>The main differential diagnosis includes clear cell RCC with sarcomatoid differentiation (WHO\/ISUP grade 4 by definition, with well-known poor prognosis even when focal in extent) versus clear cell RCC with admixed low grade spindle cells. This distinction is effectively a morphologic one (IHC performed in this case did show spindled cells with similar CAIX+\/PAX8+\/CK7- immunoprofile to adjacent traditional clear cell RCC component). The lack of high grade features within the spindled element (no marked nuclear pleomorphism, necrosis, or increased mitotic activity) points towads a diagnosis of &#8220;low grade spindle cell proliferation&#8221; of the adjacent low grade RCC rather than bonefide sarcomatoid differentiation.<br \/><br \/>A simple concept has been described in papillary RCC (1). The concept of &#8220;focal spindle morphology&#8221; was first elucidated in 2001 by de Peralta-Venturina, proposing that these should not be considered as sarcomatoid differentiation (2). In 2007, Delahunt et al. depicted &#8220;early spindle cell change&#8221; in clear cell RCC, and suggested this could be a precursor to sarcomatoid differentiation (3). However, a more recent study by Isikci et al suggested that based on outcome data, low grade spindle cell proliferation in clear cell RCC is unlikely to be an initial step in sarcomatoid differentiation (4).<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1715\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"tab\" aria-controls=\"elementor-tab-content-1715\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">References<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1715\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1715\"><p>1. Argani P, Netto GJ, Parwani AV. Papillary renal cell carcinoma with low-grade spindle cell foci: a mimic of mucinous tubular and spindle cell carcinoma. Am J Surg Pathol. 2008 Sep;32(9):1353-9.<br \/><br \/>2. de Peralta-Venturina M, Moch H, Amin M, Tamboli P, Hailemariam S, Mihatsch M, Javidan J, Stricker H, Ro JY, Amin MB. Sarcomatoid differentiation in renal cell carcinoma: a study of 101 cases. Am J Surg Pathol. 2001 Mar;25(3):275-84.<br \/><br \/>3. Delahunt B, Bethwaite PB, McCredie MR, Nacey JN. The evolution of collagen expression in sarcomatoid renal cell carcinoma. Hum Pathol. 2007 Sep;38(9):1372-7.<br \/><br \/>4. Tanas Isikci O, He H, Grossmann P, Alaghehbandan R, Ulamec M, Michalova K, Pivovarcikova K, Montiel DP, Ondic O, Daum O, Prochazkova K, Hora M, Michal M, Hes O. Low-grade spindle cell proliferation in clear cell renal cell carcinoma is unlikely to be an initial step in sarcomatoid differentiation. Histopathology. 2018 Apr;72(5):804-813.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1716\" class=\"elementor-tab-title\" data-tab=\"6\" role=\"tab\" aria-controls=\"elementor-tab-content-1716\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Contributors<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1716\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"6\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1716\"><p>Ankur Sangoi<br \/>El Camino Hospital, Mountain View, CA<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1717\" class=\"elementor-tab-title\" data-tab=\"7\" role=\"tab\" aria-controls=\"elementor-tab-content-1717\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Organ Site<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1717\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"7\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1717\"><p>Kidney<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1718\" class=\"elementor-tab-title\" data-tab=\"8\" role=\"tab\" aria-controls=\"elementor-tab-content-1718\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" href=\"\">Keywords<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1718\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"8\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-1718\"><p>Clear cell renal cell carcinoma; kidney; low-grade spindle cells.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>CASE OF THE WEEK Editor:\u00a0Mahmut Akgul (akgulm@amc.edu) 2022-19\/May 16 Contributors: Ankur Sangoi Male in his 60s with 2.7cm renal mass, confined to kidney (pT1a). Partial nephrectomy is performed. CLICK ON THE BELOW THUMBNAILS TO ENLARGE PHOTOS. Previous Next Quiz What is the correct diagnosis? a) Clear cell renal cell carcinoma with sarcomatoid differentiation b) Mucinous<br \/><a class=\"moretag\" href=\"https:\/\/iboblr.in\/gupathsociety\/cow-2022-19\/\">+ Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/page-fullwidth_template.php","meta":{"pmpro_default_level":0,"footnotes":""},"class_list":["post-7524","page","type-page","status-publish","hentry","pmpro-has-access"],"_links":{"self":[{"href":"https:\/\/iboblr.in\/gupathsociety\/wp-json\/wp\/v2\/pages\/7524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iboblr.in\/gupathsociety\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/iboblr.in\/gupathsociety\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/iboblr.in\/gupathsociety\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/iboblr.in\/gupathsociety\/wp-json\/wp\/v2\/comments?post=7524"}],"version-history":[{"count":13,"href":"https:\/\/iboblr.in\/gupathsociety\/wp-json\/wp\/v2\/pages\/7524\/revisions"}],"predecessor-version":[{"id":8243,"href":"https:\/\/iboblr.in\/gupathsociety\/wp-json\/wp\/v2\/pages\/7524\/revisions\/8243"}],"wp:attachment":[{"href":"https:\/\/iboblr.in\/gupathsociety\/wp-json\/wp\/v2\/media?parent=7524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}