Principles of Surgery: Cysts, Fistulae & Sinus, Wound Healing, and Palliative Care Quiz

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Which of the following is a cause of cyst formation?

Vasoconstriction and coagulation

Neutrophils and macrophages

Fibroblasts and collagenase

Parasitic cysts (correct)

How can a cyst be differentiated from a lipoma?

By the presence of neutrophils

By ultrasound and aspiration (correct)

Through the process of angiogenesis

By the presence of fibroblasts

What is the term for an abnormal communication between two epithelial surfaces?

Angiogenesis

Fistula (correct)

Fibrosis

Granulation

What is the cause of the persistence of a sinus or fistula?

Continuing active infection Signup and view all the answers

What method can be used for establishing the anatomy of sinuses and fistulae?

MRI and/or sinography/fistulogram Signup and view all the answers

What is the term for disruption of normal tissue continuity and structure due to trauma or disease processes?

Wound Signup and view all the answers

Which growth factor is involved in the inflammatory phase of wound healing?

Histamine Signup and view all the answers

What occurs simultaneously with fibroblast arrival during the proliferative phase of wound healing?

Angiogenesis Signup and view all the answers

Which phase of wound healing involves vasodilation and increased vascular permeability?

Inflammatory phase Signup and view all the answers

What is the term for sharp debridement and direct closure of an old wound?

Delayed primary healing Signup and view all the answers

What is a true cyst lined by?

Epithelium Signup and view all the answers

Which of the following is an example of a false cyst?

Pancreatic pseudocyst Signup and view all the answers

What is the cause of congenital branchial cyst?

Displacement of epithelium along embryonic fissures Signup and view all the answers

Which type of cyst results from abnormal budding of tubular structures?

Enteric cyst Signup and view all the answers

What is the cause of acquired retention cysts?

Obstruction in the ducts Signup and view all the answers

What is the main component of a pseudocyst of the pancreas?

Fluid Signup and view all the answers

Which location is characteristic for implantation dermoid due to skin implantation from injury?

Anterior triangle of the neck Signup and view all the answers

Which type of cyst is due to displacement of epithelium along embryonic fissures during closure?

Sequestration dermoid Signup and view all the answers

Which type of cyst is due to displacement of epithelium from injury?

Implantation dermoid Signup and view all the answers

What do false cysts result from?

Degeneration or exudation Signup and view all the answers

What is the primary cause of delay in wound healing due to time since injury?

Delay in presentation and cleaning Signup and view all the answers

Which factor inhibits wound healing?

Irradiation Signup and view all the answers

What is the primary benefit of debridement?

Improves action of leukocytes Signup and view all the answers

Which type of debridement involves removal of tissue with scalpel or scissors?

Mechanical Signup and view all the answers

What characterizes a keloid?

Overabundance of collagen Signup and view all the answers

When is palliative surgery indicated?

For fit patients with distal tumors who have not benefited from lesser interventions Signup and view all the answers

What is a common problem in oncology that can be palliated with bisphosphonates?

Thrombosis Signup and view all the answers

What defines end-of-life care?

Concerns the last few months of a patient’s life Signup and view all the answers

What is an issue at the end of life that is distinct from palliative care?

Appropriateness of active intervention Signup and view all the answers

What type of surgery is defined as surgical intervention targeted to alleviate a patient’s symptoms, thus improving the patient’s quality of life despite impact on the patient’s survival?

Palliative Surgery Signup and view all the answers