Veterinary Medicine - November 2008 - (Page 609) lling defect. CT can identify the tumor’s size and location as well as invasiveness. Esophagoscopy reveals a submucosal tumor over which the mucosa is usually freely movable. Lumen narrowing is common, while stenosis and obstruction are rare. In people, endoscopic ultrasonography is also commonly used for diagnosis. De nitive diagnosis is provided by histologic examination, but endoscopic biopsies are contraindicated with leiomyomas, as they increase the risk of complications and mucosal perforation during surgery.6 Endoscopic ne-needle aspiration is effective for obtaining a rm diagnosis and does not affect surgical outcome.12 Leiomyoma can be presumptively diagnosed based on endoscopic examination and CT results that indicate a well-de ned, roundto-ovoid encapsulated mass, with no ulceration of the overlying mucosa or evidence of local invasion. Treatment Surgical resection of leiomyomas may be curative. While extensive reports are available in the human literature, reports on treatment in dogs are sparse. One study in three dogs with leiomyomas at the gastroesophageal junction treated by enucleation reported no recurrence for 8 to 18 months.13 Gastric leiomyomas have been successfully removed by both partial gastrectomy and mass dissection alone.14,15 Colorectal leiomyomas in seven dogs were treated with enucleation of the mass via the serosal or mucosal surface, with no recurrences.16 In people with esophageal leiomyomas, surgical removal is recommended if unremitting signs, a progressive increase in tumor size, or any mucosal ulceration exists.6 Conservative management and periodic endoscopy are often recommended for asymptomatic patients with tumors less than 3 cm,12 but sarcomatous transformation has been described.17 In people, standard therapy involves a lateral thoracotomy, with VETERINARY MEDICINE 609 http://www.theCVC.com
Table of Contents Feed for the Digital Edition of Veterinary Medicine - November 2008 Veterinary Medicine - November 2008 Contents Leading Off Editors' Guest Just Ask the Expert Letters Practice Makes Perfect Clinical Exposures Practice Matters Idea Exchange Author Guidelines A Challenging Case: Esophageal Leiomyoma in a Dog Osteoarthritis in Cats: What We Now Know About Recognition and Treatment Product Preview CE Form/Advertiser Index Marketplace/Classifieds Mind Over Miller Veterinary Medicine - November 2008 Veterinary Medicine - November 2008 - Veterinary Medicine - November 2008 (Page Cover1) Veterinary Medicine - November 2008 - Veterinary Medicine - November 2008 (Page Cover2) Veterinary Medicine - November 2008 - Veterinary Medicine - November 2008 (Page 579) Veterinary Medicine - November 2008 - Veterinary Medicine - November 2008 (Page 580) Veterinary Medicine - November 2008 - Contents (Page 581) Veterinary Medicine - November 2008 - Contents (Page 582) Veterinary Medicine - November 2008 - Contents (Page 583) Veterinary Medicine - November 2008 - Contents (Page 584) Veterinary Medicine - November 2008 - Contents (Page 585) Veterinary Medicine - November 2008 - Leading Off (Page 586) Veterinary Medicine - November 2008 - Leading Off (Page 587) Veterinary Medicine - November 2008 - Leading Off (Page 588) Veterinary Medicine - November 2008 - Leading Off (Page 589) Veterinary Medicine - November 2008 - Editors' Guest (Page 590) Veterinary Medicine - November 2008 - Editors' Guest (Page 591) Veterinary Medicine - November 2008 - Just Ask the Expert (Page 592) Veterinary Medicine - November 2008 - Letters (Page 593) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page 594) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM1) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM2) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM3) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM4) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM5) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM6) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM7) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM8) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM9) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM10) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM11) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM12) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM13) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM14) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM15) Veterinary Medicine - November 2008 - Practice Makes Perfect (Page DM16) Veterinary Medicine - November 2008 - Clinical Exposures (Page 595) Veterinary Medicine - November 2008 - Clinical Exposures (Page 596) Veterinary Medicine - November 2008 - Clinical Exposures (Page 597) Veterinary Medicine - November 2008 - Clinical Exposures (Page 598) Veterinary Medicine - November 2008 - Practice Matters (Page 599) Veterinary Medicine - November 2008 - Idea Exchange (Page 600) Veterinary Medicine - November 2008 - Idea Exchange (Page 601) Veterinary Medicine - November 2008 - Idea Exchange (Page 602) Veterinary Medicine - November 2008 - Idea Exchange (Page 603) Veterinary Medicine - November 2008 - Author Guidelines (Page 604) Veterinary Medicine - November 2008 - Author Guidelines (Page 605) Veterinary Medicine - November 2008 - A Challenging Case: Esophageal Leiomyoma in a Dog (Page 606) Veterinary Medicine - November 2008 - A Challenging Case: Esophageal Leiomyoma in a Dog (Page 607) Veterinary Medicine - November 2008 - A Challenging Case: Esophageal Leiomyoma in a Dog (Page 608) Veterinary Medicine - November 2008 - A Challenging Case: Esophageal Leiomyoma in a Dog (Page 609) Veterinary Medicine - November 2008 - A Challenging Case: Esophageal Leiomyoma in a Dog (Page 610) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page 611) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page 612) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page 613) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page 614) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page 615) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page 616) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD1) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD2) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD3) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD4) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD5) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD6) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD7) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD8) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD9) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD10) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD11) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD12) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD13) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD14) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD15) Veterinary Medicine - November 2008 - Osteoarthritis in Cats: What We Now Know About Recognition and Treatment (Page PD16) Veterinary Medicine - November 2008 - Product Preview (Page 617) Veterinary Medicine - November 2008 - Product Preview (Page 618) Veterinary Medicine - November 2008 - Product Preview (Page 619) Veterinary Medicine - November 2008 - CE Form/Advertiser Index (Page 620) Veterinary Medicine - November 2008 - Marketplace/Classifieds (Page 621) Veterinary Medicine - November 2008 - Marketplace/Classifieds (Page 622) Veterinary Medicine - November 2008 - Marketplace/Classifieds (Page 623) Veterinary Medicine - November 2008 - Marketplace/Classifieds (Page 624) Veterinary Medicine - November 2008 - Marketplace/Classifieds (Page 625) Veterinary Medicine - November 2008 - Mind Over Miller (Page 626) Veterinary Medicine - November 2008 - Mind Over Miller (Page Cover3) Veterinary Medicine - November 2008 - Mind Over Miller (Page Cover4)
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