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Mastectomy in dogs

Iacopo Vannozzi, Matteo Tesi, Marta Zangheri, Viola Maria Innocenti, Alessandra Rota, Simonetta Citi, Alessandro Poli
Ultrasonography is a valuable tool for the evaluation of neoplastic lesions in the dog and there is a growing interest in the use of this technique for the stadiation of canine mammary tumours. An accurate assessment of small sized nodules facilitates the stadiation of the mammary lesions and helps the clinician in the choice of the most indicated surgical therapy. The aim of this study was to identify those ultrasound criteria that may be useful in discriminating between benign and malignant lesions of small size (diameter smaller than 2 cm)...
March 14, 2018: Veterinary Research Communications
Sabarish Babu Malli Sadhasivan, Mohamed Shafiuzama, Mala Shammi, Ganne Venkata Sudhakar Rao, Nitin J D Souza, Hemalatha Senthilnayagam, Ravi Sundar George, P Manoj Prabhakar
Aim: The main objective of the study was to describe the use of skin fold advancement flaps (SFAFs) and other reconstructive techniques for closure of large skin defects following mammary tumor excision in dogs. Materials and Methods: Twelve dogs underwent reconstruction of large ventral skin defects following mammary tumor excision with wide margins. Skin fold flaps (flank fold flap and elbow fold flap) were elevated from the flank and elbow region, respectively, and transposed and sutured onto the large ventral skin defect following mastectomy in all the dogs...
December 2017: Veterinary World
Yuta Miyazaki, Takeshi Aikawa, Taichi Shimatsu, Masaaki Nishimura, Shigeo Sadahiro
OBJECTIVE: To describe the application of skin stretchers for closure of single-stage bilateral mastectomies in a dog and a cat. STUDY DESIGN: Clinical case report. ANIMALS: A 12-year-old intact female Miniature Dachshund and a 13-year-old spayed female domestic short-hair cat. METHODS: Skin stretchers were applied to the site of the skin adjacent to mammary glands for 2-4 days before surgery. Cable tension was adjusted every 6-8 hours to elongate the skin and to achieve primary closure of single-stage bilateral mastectomy without tension...
November 9, 2017: Veterinary Surgery: VS
Jérôme Abadie, Frédérique Nguyen, Delphine Loussouarn, Laura Peña, Adelina Gama, Natascha Rieder, Anton Belousov, Ingrid Bemelmans, Laëtitia Jaillardon, Catherine Ibisch, Mario Campone
PURPOSE: Relevant animal models of human breast cancer are currently needed, especially for the aggressive triple-negative breast cancer subtype. Recent studies and our results (Part 1) indicate that spontaneous canine invasive mammary carcinomas (CMCs) resemble human breast cancer by clinics and pathology as well as behavior and prognostic indicators. We hypothesized that the current molecular classifications of human breast cancer, used for therapeutic decision, could be relevant to dogs...
October 23, 2017: Breast Cancer Research and Treatment
Soon-Chan Kwon, Dae-Young Yoo, Minho Ko, Kwon-Young Lee, Ho-Hyun Kwak, In-Chul Park, In-Koo Hwang, Jung-Hoon Choi, Jin-Young Chung
BACKGROUND: Mammary gland tumors are the most common tumors in sexually intact female dogs; however, they are rare in male dogs. This study was conducted to investigate the relationship between sexual hormones and mammary gland tumors in a male dog. CASE PRESENTATION: A 13-year-old, intact male Cocker Spaniel presented to the Veterinary Teaching Hospital of Kangwon National University, Republic of Korea, with an acute right ruptured caudal abdominal mass. Physical examination revealed a 14 × 14 cm ruptured mass in the right caudal abdomen, as well as a 1...
April 11, 2017: Acta Veterinaria Scandinavica
Hoon Kim, Sang Il Kim, Won Ha, Chi Sun Yoon, Taik Jong Lee, Kyu Nam Kim
BACKGROUND: Nipple reconstruction in implant-based breast reconstruction remains challenging, as the remaining thin skin envelope results in a less projected neo-nipple with a reduced volume. This study presents a modified top-hat flap technique with rolled dermal grafts from the dog-ears of lateral wings for augmenting reconstructed nipples during implant-based breast reconstruction. METHODS: Between April 2011 and December 2014, among 34 patients who underwent immediate post-mastectomy reconstruction with a direct silicone implant, nipple reconstruction was performed using the modified top-hat flap technique in only 21 patients (group A), whereas 13 patients underwent the modified top-hat flap technique with rolled dermal grafts from the dog-ears of lateral wings (group B)...
February 7, 2017: Aesthetic Plastic Surgery
L Soler, N García, A Unzueta, M Piñeiro, M A Álava, F Lampreave
Inter-α-trypsin inhibitor heavy chain 4 (ITIH4) and C-reactive protein (CRP) have been isolated from acute phase dog sera by affinity chromatography with insolubilized polyclonal antibodies anti pig Major Acute phase Protein (Pig-MAP) and with p-Aminophenyl Phosphoryl Choline, respectively. Isolated proteins were used to prepare specific polyclonal rabbit antisera that have allowed quantifying their concentration in serum samples by single radial immunodifussion. Both proteins were quantified in sera from female dogs that had undergone ovariohysterectomy (OVH, n=9) or mastectomy (n=10)...
October 15, 2016: Veterinary Immunology and Immunopathology
A Lenne, L Defourny, A Lafosse, M Martin, B Vandercam, M Berlière, B Lengelé, H Rodriguez-Villalobos
INTRODUCTION: Pets are not always the human's best friends, particularly in the presence of comorbidities such as wounds. The following case report describes a Pasteurella multocida infection of a reconstructive breast implant due to a close contact between a cat and its owner. PRESENTATION OF CASE: A 33-year-old woman developed a breast implant infection 13 days after an immediate breast reconstruction following a mastectomy for a multifocal ductal carcinoma. The wound was explored surgically and the implant removed...
2016: International Journal of Surgery Case Reports
Geok Hoon Lim, Hui Fuan Tan
INTRODUCTION: Mastectomy is commonly performed for breast cancer. However, a dog ear may arise at the lateral aspect of the mastectomy scar. This dog ear is not only unsightly but can also be a source of discomfort. While various surgical techniques have been reported to tackle this lateral dog ear, there is no standardized technique. We hence conduct the first systematic review of these surgical techniques with the aim of comparing the merits and limitations of each technique. METHODS: A systematic literature search using the search terms "mastectomy scar", "mastectomy dog ear", "mastectomy lateral fold" and "mastectomy cosmesis" was performed...
February 2016: International Journal of Surgery
V M Kristiansen, L Peña, L Díez Córdova, J C Illera, E Skjerve, A M Breen, M A Cofone, M Langeland, J Teige, M Goldschmidt, K U Sørenmo
BACKGROUND: Ovarian hormones play crucial roles in mammary carcinogenesis. However, whether ovarian ablation by ovariohysterectomy (OHE) improves the prognosis in dogs with mammary carcinomas is unclear. OBJECTIVES: Determine if OHE at the time of mastectomy improves the prognosis in dogs with mammary carcinomas and evaluate if hormonal factors influence the effect of OHE. ANIMALS: Sixty intact dogs with mammary carcinomas. METHODS: Dogs were randomly assigned in a 1:1 ratio to undergo OHE (n = 31) or not (n = 29) at the time of tumor removal...
January 2016: Journal of Veterinary Internal Medicine
S Vilhegas, R N Cassu, R C Barbero, G C Crociolli, T L A Rocha, D R Gomes
The aim of this randomised placebo-controlled, observer-blinded study was to evaluate the analgesic effects of botulinum toxin type A (BoNT-A) as an adjunct for postoperative pain control in dogs. Sixteen dogs undergoing bilateral radical mastectomy for treatment of mammary tumours were enrolled. Twenty-four hours before surgery, the subjects were distributed into two groups of eight dogs each: 7 iu/kg BoNT-A (BoNT-A) or saline (Control) was administered subcutaneously in each mammary gland. Following sedation with intramuscular 0...
October 17, 2015: Veterinary Record
Rodrigo S Horta, Mariana S Figueiredo, Gleidice E Lavalle, Mariana P Costa, Rubia M C Cunha, Roberto B Araújo
BACKGROUND: Surgery is the treatment of choice for regional control of mammary neoplasms in female dogs. Various surgical techniques may be used, as long as mammary gland anatomy, lymphatic drainage, and known prognostic factors are respected. The purpose of this study was to compare surgical stress-including duration of surgery, nociception and hematological changes-and postoperative complications in dogs undergoing regional and unilateral radical mastectomy. Eighteen dogs were selected for each technique...
June 24, 2015: Acta Veterinaria Scandinavica
Giulianne Carla Crociolli, Renata Navarro Cassu, Rafael Cabral Barbero, Thalita Leone A Rocha, Denis Robson Gomes, Gabriel Montoro Nicácio
This study aimed to evaluate the analgesic efficacy of gabapentin as an adjuvant for postoperative pain management in dogs. Twenty dogs undergoing mastectomy were randomized to receive perioperative oral placebo or gabapentin (10 mg/kg). All dogs were premedicated with intramuscular acepromazine (0.03 mg/kg) and morphine (0.3 mg/ kg). Anesthesia was induced with propofol (4 mg/kg) intravenously and maintained with isoflurane. Intravenous meloxicam (0.2 mg/kg) was administered preoperatively. Postoperative analgesia was evaluated for 72 hr...
August 2015: Journal of Veterinary Medical Science
Nilgun Gultiken, Tolga Guvenc, Duygu Kaya, Ali Reha Agaoglu, Serhan Serhat Ay, Ibrahim Kucukaslan, Birten Emre, Murat Findik, Sabine Schäfer-Somi, Selim Aslan
In the present study, 13 clinical cases of canine mammary adenocarcinoma were evaluated in order to understand the effect of Tarantula cubensis extract (TCE) on tumor tissue. Punch biopsies were taken from the tumors before treatment with TCE. Subcutaneous injections of TCE were administered three times at weekly intervals (3 mL per dog). Between days 7 and 10 after the third injection, the tumor masses were extirpated by complete unilateral mastectomy. Pre- and post-treatment tumor tissues were immunohistochemically assessed...
2015: Journal of Veterinary Science
Suresh Sathya, Kathleen Linn
An 11 yr old female mixed-breed Siberian husky was presented with a history of sanguineous vaginal discharge, swelling of the perineal area, decreased appetite, and lethargy. A single, large vaginal leiomyoma and multiple mammary tumors were diagnosed. Mastectomy and ovariohysterectomy were performed. The vaginal leiomyoma regressed completely after ovariohysterectomy. This is the first reported case of spontaneous regression of a vaginal leiomyoma after ovariohysterectomy in a dog.
November 2014: Journal of the American Animal Hospital Association
Alejandro Rubio, Filip Boyen, Olaf Tas, Adriaan Kitshoff, Ingeborgh Polis, Bart Van Goethem, Hilde de Rooster
Septic peritonitis occurs relatively commonly in dogs. Secondary septic peritonitis is usually associated with perforation of intestines or infected viscera, such as the uterus in pyometra cases. The aim of this study was to evaluate the bacterial flora in the ovarian bursae of intact bitches as a potential source of contamination. One hundred forty dogs, clinically suspected of pyometra, were prospectively enrolled. The control group consisted of 26 dogs that underwent elective ovariohysterectomies and 18 dogs with mammary gland tumors that were neutered at the time of mastectomy...
October 15, 2014: Theriogenology
Caio J X Abimussi, Thais M Menegheti, Juliana T Wagatsuma, Beatriz P Floriano, André M M Arruda, Paulo S P dos Santos, Valéria N L S Oliva
OBJECTIVE: To compare two concentrations of ropivacaine administered for tumescent local anesthesia (TLA) in dogs undergoing mastectomy. STUDY DESIGN: Prospective randomized clinical study. ANIMALS: Seventeen bitches of various breeds, aged 12 ± 2 years and weighing 10 ± 6.5 kg requiring total unilateral or bilateral mastectomy. METHODS: Dogs were premedicated with acepromazine (0.04 mg kg(-1) ) and morphine (0...
September 2014: Veterinary Anaesthesia and Analgesia
Diego A Portela, Marta Romano, Angela Briganti
HISTORY: Eleven female dogs of different breeds undergoing unilateral radical (n = 7) or regional abdominal mastectomy (n = 4) received an ultrasound guided transverse abdominis plane block (TAP-block). PHYSICAL EXAMINATION: Subjects showed single or multiple mammary tumours. Serum biochemistry, CBC and electrocardiogram were unremarkable. Eight animals were classified as ASA physical status II and 3 as ASA III. MANAGEMENT: Dogs were premedicated with methadone [0...
May 2014: Veterinary Anaesthesia and Analgesia
Leonardo de Freitas Guimaraes Arcoverde Credie, Stelio Pacca Loureiro Luna, Fabio Futema, Luciano Cacciari Baruffaldi Almeida da Silva, Giancarlo Bressane Gomes, Jaqueline Neratika Negrette Garcia, Lidia Raquel de Carvalho
BACKGROUND: Tumescent anaesthesia (TA) is a widely used technique in oncologic surgeries necessitating large resection margins. This technique produces transoperative and postoperative analgesia, reduces surgical bleeding, and facilitates tissue divulsion. This prospective, randomised, blind study evaluated the use of TA in bitches submitted to mastectomy and compared the effect of TA with an intravenous fentanyl bolus. A 2.5-mcg/kg intravenous fentanyl bolus (n = 10) was compared with TA using 0...
2013: BMC Veterinary Research
Bruno W Minto, Lisiane C Rodrigues, Paulo V M Steagall, Eduardo R Monteiro, Claudia V S Brandão
BACKGROUND: There are few studies reporting pain and postoperative analgesia associated with mastectomy in dogs. The aim of this study was to evaluate postoperative pain after unilateral mastectomy using two different surgical techniques in the dog. FINDINGS: Twenty female dogs were assigned (n=10/group) to undergo unilateral mastectomy using either the combination of sharp and blunt dissection (SBD) or the modified SBD (mSBD) technique, in which the mammary chain is separated from the abdominal wall entirely by blunt (hand and finger) dissection except for a small area cranial to the first gland, in a prospective, randomized, clinical trial...
August 19, 2013: Acta Veterinaria Scandinavica
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