11 year old castrated male Labrador Retriever

Presented to NCSU Emergency Clinic on 3-19-07 for blood dripping from penis

Blood had been dripping from penis since Christmas 2006

Started on 3 week course of doxycycline for a presumed UTI, but clinical signs resumed shortly thereafter

Another course of doxycycline was prescribed for 6-8 weeks

When he presented here he was having dysuria/stranguria

Owner states that urine stream is always yellow but clots of blood will pass in the stream

rDVM felt that the bulbourethral glands were enlarged and that there was a swelling caudal to the os penis

No other relative history

Relative Findings Lungs auscult clearly with increased

bronchvesicular sounds bilaterally Prostate palpates small and symmetrical on rectal

palpation Extrusion of penis reveal no gross abnormalities

except a blood clot on the urethral orifice Caudal to the os penis a plum sized firm mass

seems adhered to underlying structures CBC – WNL, Chem panel – no significant

findings, Urinalysis USG 1.019, ph 6, 2+ proteinuria,

0-5 WBC/hpf, 0-5 RBC/hpf, culture no growth

Right medial iliac lymph node Low cellularity – small lymphocytes

Penile mass aspirate Neoplastic cells most consistent with

carcinoma but a poorly differentiated sarcoma could not be ruled out

Thoracic radiographs Possible pulmonary nodule in left caudal lung lobe

Abdominal radiographs Mineralized soft tissue mass associated with

caudal os penis Flouroscopy

Confirmed presence of pulmonary nodule CT

Two soft tissue nodules in left caudal lung lobe Soft tissue mass at caudal os penis, potentially of

urethral or os penis origin Enlarged medial iliac lymph node

Mass noted 10.5 cm from the distal end of the uretha and extended for 2 cm proximally

Pinch biopsies taken Dysplastic transitional epithelium vs

transitional cell carcinoma Bladder normal except for dilated

urethral orifices

Scrotal urethrostomy Penis amputation Histopathology

Hemangiosarcoma with clean margins Flash is going to have follow up with

Oncology Services