{"id":34083,"date":"2024-06-14T17:07:23","date_gmt":"2024-06-14T17:07:23","guid":{"rendered":"https:\/\/todaysveterinarypractice.com\/?p=34083"},"modified":"2024-06-20T19:11:35","modified_gmt":"2024-06-20T19:11:35","slug":"splenic-masses-in-dogs-differentials-diagnosis-and-treatment-algorithm","status":"publish","type":"post","link":"https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/soft-tissue-surgery\/splenic-masses-in-dogs-differentials-diagnosis-and-treatment-algorithm\/","title":{"rendered":"Splenic Masses in Dogs: Algorithms for Differentials, Diagnosis, and Definitive Treatment"},"content":{"rendered":"<p class=\"p1\"><span class=\"s1\">A <\/span><span class=\"s1\">dog with a splenic mass may present as overtly healthy; have vague signs of anorexia, lethargy, and vomiting; or be in hemorrhagic shock. While many variables have been investigated, none definitively distinguish between the most common splenic masses: hematoma, hemangioma, and hemangiosarcoma (HSA). Since <a href=\"https:\/\/todaysveterinarypractice.com\/diagnostics\/ultrasound-guided-fine-needle-aspiration-and-core-biopsy\/\" target=\"_blank\" rel=\"noopener\">ultrasound-guided fine-needle aspirate<\/a> or incisional biopsy of a splenic mass carries significant risk of hemorrhage and a nondiagnostic sample, definitive diagnosis is most commonly made via histopathology after splenectomy. Thus, clients are faced with a dilemma: Do they invest in a surgery that could potentially cure their dog, knowing there is also the risk their pet may be left with the onus of HSA? The client\u2019s decision may be aided by diagnostics to assess the patient\u2019s current condition and look for potential metastases, and by considering the dog\u2019s hemoabdomen status (<\/span><span class=\"s2\"><b>BOX 1<\/b><\/span><span class=\"s1\">). <\/span><\/p>\n<div class=\"su-box su-box-style-default\" id=\"\" style=\"border-color:#606060;border-radius:3px;\"><div class=\"su-box-title\" style=\"background-color:#939393;color:#FFFFFF;border-top-left-radius:1px;border-top-right-radius:1px\">BOX 1 Decision Factors to Discuss With Clients<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:1px;border-bottom-right-radius:1px\">\n<ul>\n<li>In the absence of hemoabdomen, there is a high likelihood the splenic mass is benign; in the presence of hemoabdomen, there is a high likelihood the mass is malignant<sup>1-4<\/sup><\/li>\n<li>Purposes of diagnostics\n<ul>\n<li>Assess patient status, treatment needs, and suitability for surgery<\/li>\n<li>Look for metastases<\/li>\n<li>Cannot make definitive diagnosis without histopathology<sup>1,2<\/sup><\/li>\n<\/ul>\n<\/li>\n<li>Prognosis\/median survival time\n<ul>\n<li>Hemangiosarcoma with surgery alone: 19\u201386 days with 1-year survival of 6%\u20137%<sup>5-9<\/sup><\/li>\n<li>Hemangiosarcoma with surgery and chemotherapy: 172\u2013277 days with 1-year survival up to 20%<sup>1,6,8,9<\/sup><\/li>\n<\/ul>\n<\/li>\n<li>If mass is benign, surgery can be curative<\/li>\n<li>95% of dogs with hemoabdomen survived to discharge postsplenectomy<sup>3,4<\/sup><\/li>\n<li>Presence of splenic mass is a risk factor for life-threatening hemorrhage<\/div><\/div><\/li>\n<\/ul>\n<p class=\"p1\"><span class=\"s1\">There is a 63.1% to 70.5% chance a splenic mass is benign if there is no hemoabdomen and a 21.7% to 37.5% chance it is benign if there is hemoabdomen.<sup>1-4<\/sup> These numbers replace the two-thirds rule, which said that two-thirds of splenic masses were malignant and two-thirds of malignant masses were HSA, without accounting for hemoabdomen. Despite <\/span>the high incidence of HSA in dogs with hemoabdomen,<span class=\"s1\"> clients may pursue treatment (<\/span><span class=\"s2\"><b>BOX 2<\/b><\/span><span class=\"s1\">). One study <\/span>found that clients who chose surgery were more satisfied <span class=\"s1\">with their decision than those who elected palliation or <a href=\"https:\/\/todaysveterinarypractice.com\/personal-professional-development\/the-euthanasia-conversation-communicating-with-grace-dignity-and-support\/\" target=\"_blank\" rel=\"noopener\">euthanasia<\/a>, and quality of life scores were higher for dogs that had surgery compared to palliative care.<sup>5<\/sup> Ultimately, it is important to educate the client about the potential for both positive and negative outcomes.<\/span><\/p>\n<div class=\"su-box su-box-style-default\" id=\"\" style=\"border-color:#606060;border-radius:3px;\"><div class=\"su-box-title\" style=\"background-color:#939393;color:#FFFFFF;border-top-left-radius:1px;border-top-right-radius:1px\">BOX 2 Client Reasons for Pursuing Surgery<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:1px;border-bottom-right-radius:1px\">\n<ul>\n<li>Potential for cure if the mass is not hemangiosarcoma<\/li>\n<li>Treat and\/or prevent hemoabdomen<\/li>\n<li>Obtain a diagnosis<\/li>\n<li>Debulk in preparation for chemotherapy<\/li>\n<li>Provide family more time with their dog<\/div><\/div><\/li>\n<\/ul>\n<p><a href=\"https:\/\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-34084\" src=\"https:\/\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite.jpg\" alt=\"\" width=\"1219\" height=\"582\" srcset=\"https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite.jpg 1219w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite-300x143.jpg 300w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite-1024x489.jpg 1024w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite-768x367.jpg 768w\" sizes=\"(max-width: 1219px) 100vw, 1219px\" \/><\/a><a href=\"https:\/\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite2.jpg\"><img decoding=\"async\" class=\"wp-image-34085 size-full\" src=\"https:\/\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite2.jpg\" alt=\"\" width=\"1219\" height=\"1439\" srcset=\"https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite2.jpg 1219w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite2-254x300.jpg 254w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite2-867x1024.jpg 867w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite2-768x907.jpg 768w\" sizes=\"(max-width: 1219px) 100vw, 1219px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite3.jpg\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-34086\" src=\"https:\/\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite3.jpg\" alt=\"\" width=\"1077\" height=\"1439\" srcset=\"https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite3.jpg 1077w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite3-225x300.jpg 225w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite3-766x1024.jpg 766w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite3-768x1026.jpg 768w\" sizes=\"(max-width: 1077px) 100vw, 1077px\" \/><\/a> <a href=\"https:\/\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite4.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-34087\" src=\"https:\/\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite4.jpg\" alt=\"\" width=\"1035\" height=\"597\" srcset=\"https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite4.jpg 1035w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite4-300x173.jpg 300w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite4-1024x591.jpg 1024w, https:\/\/navc.sitepreview.app\/todaysveterinarypractice.com\/wp-content\/uploads\/sites\/4\/2024\/06\/TVP-2024-0708_Splenic-Masses-Algorithm-ForWebsite4-768x443.jpg 768w\" sizes=\"(max-width: 1035px) 100vw, 1035px\" \/><\/a><\/p>\n<div class=\"su-box su-box-style-default\" id=\"\" style=\"border-color:#606060;border-radius:3px;\"><div class=\"su-box-title\" style=\"background-color:#939393;color:#FFFFFF;border-top-left-radius:1px;border-top-right-radius:1px\">Definitions<\/div><div class=\"su-box-content su-u-clearfix su-u-trim\" style=\"border-bottom-left-radius:1px;border-bottom-right-radius:1px\">AFAST\u2009=\u2009abdominal focused assessment with sonography for trauma, triage, and tracking; BUN\u2009=\u2009blood urea nitrogen; CBC\u2009=\u2009complete blood count; CRT\u2009=\u2009capillary refill time; ECG\u2009=\u2009electrocardiography; FNA\u2009=\u2009fine-needle aspiration; HSA\u2009=\u2009hemangiosarcoma; MM\u2009=\u2009mucous membrane; MST\u2009=\u2009median survival time; NSAIDs\u2009=\u2009nonsteroidal anti-inflammatory drugs; PCV\u2009=\u2009packed cell volume; PT\u2009=\u2009prothrombin time; PTT\u2009=\u2009partial thromboplastin time; TP\u2009=\u2009total protein; TPR\u2009=\u2009temperature, pulse, and respiration; VPC\u2009=\u2009ventricular premature complex <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The client\u2019s decision between surgery and palliative care may be aided by diagnostics to assess the patient\u2019s current condition and look for potential metastases, and by considering the dog\u2019s hemoabdomen status.<\/p>\n","protected":false},"author":236,"featured_media":34088,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"iawp_total_views":10420,"footnotes":""},"categories":[545],"tags":[13],"class_list":["post-34083","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-july-august-2024","tag-peer-reviewed","column-algorithmic-insights","clinical_topics-soft-tissue-surgery"],"acf":{"hide_sidebar":false,"hide_sidebar_ad":false,"hide_all_ads":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Splenic Masses in Dogs: Algorithms for Differentials, Diagnosis, and Definitive Treatment<\/title>\n<meta name=\"description\" content=\"The client\u2019s decision between surgery and palliative care may be aided by diagnostics and considering the dog\u2019s 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