Related Experiment Video
Updated: Feb 7, 2026

02:22
Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection
Published on: April 12, 2024
984
Mandibular vascular hamartoma in a cat.
Satoshi Takagi1, Yumiko Kagawa2, Kiwamu Hanazono1
1Hokkaido University Veterinary Teaching Hospital, Kita-19jo Nishi-10, Kita-ku, Sapporo, Hokkaido 060-0819, Japan.
The Journal of Veterinary Medical Science
|July 18, 2018
Summary
A feline vascular hamartoma caused oral bleeding and salivation in a 10-year-old cat. Despite diagnosis, the cat experienced sudden death 140 days later, highlighting potential complications.
Area of Science:
- Veterinary Medicine
- Oncology
- Pathology
Background:
- Vascular hamartomas are rare benign tumors often presenting asymptomatically.
- Oral masses in cats can lead to significant clinical signs, including bleeding and difficulty eating.
- Accurate histopathological diagnosis is crucial for understanding tumor behavior and prognosis.
Observation:
- A 10-year-old cat exhibited a one-month history of excessive salivation and oral bleeding.
- Physical examination revealed a palpable mass on the right mandible.
- Computed tomography demonstrated extensive bone proliferation associated with the mandibular mass.
Findings:
- Mandibular bone biopsy confirmed the histopathological diagnosis of vascular hamartoma.
- The tumor involved significant mandibular bone proliferation.
Implications:
- This case highlights the potential for vascular hamartomas to cause severe oral pathology in cats.
- The sudden death of the cat suggests potential complications or rapid progression despite the benign nature of the hamartoma.
- Further research into the behavior and management of feline vascular hamartomas is warranted.
Related Concept Videos
Seedless Vascular Plants
67.1K
Seedless Vascular Plants Were the First Tall Plants on Earth
67.1K
Vascular Spasm
3.7K
The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...
3.7K
Overview of the Vascular System
3.6K
The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
3.6K
Vascular Resistance
11.1K
Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
11.1K
Non-vascular Seedless Plants
71.6K
The diverse plant life on Earth—consisting of nearly 400,000 species—can be divided into three broad categories based on biological characteristics: nonvascular, seedless vascular, and seed plants.
71.6K
Inflammatory Response I: Vascular and Cellular
16.6K
The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
16.6K

