Tuberous Sclerosis Complex (TSC) Overview

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Questions and Answers

What genetic disorder is characterized by an increased predisposition to hamartoma formation?

  • Turner syndrome
  • Fragile X syndrome
  • Tuberous sclerosis complex (TSC) (correct)
  • Klinefelter syndrome

Which genes are mutated in individuals with Tuberous sclerosis complex (TSC)?

  • TP53
  • BCR-ABL
  • BRCA1 and BRCA2
  • TSC1 and TSC2 (correct)

What neurological disorders are commonly associated with Tuberous sclerosis complex (TSC)?

  • Multiple sclerosis
  • Alzheimer's disease
  • Parkinson's disease
  • Epilepsy and intellectual disability (correct)

At what stage of life are hypopigmented macules usually found in individuals with Tuberous sclerosis complex (TSC)?

<p>Early childhood (B)</p> Signup and view all the answers

What percentage of patients with Tuberous sclerosis complex (TSC) have detectable skin lesions of all ages?

<p>90% (D)</p> Signup and view all the answers

When are facial angiofibromas more commonly found in individuals with Tuberous sclerosis complex (TSC)?

<p>Adolescence (A)</p> Signup and view all the answers

What is the main role of orientation and counseling in the management of tuberous sclerosis?

<p>To support patients and family members in coping with the overwhelming nature of the disorder (C)</p> Signup and view all the answers

Which genes are responsible for the production of proteins that regulate cell division and growth in the body?

<p>TSC1 and TSC2 (B)</p> Signup and view all the answers

What is the inheritance pattern of tuberous sclerosis?

<p>Autosomal dominant (D)</p> Signup and view all the answers

What is the role of hamartin and tuberin proteins in the body?

<p>Control cell growth and division (A)</p> Signup and view all the answers

Which organs are commonly affected by tumors in tuberous sclerosis?

<p>Brain and kidneys (A)</p> Signup and view all the answers

What may result from the presence of cardiac rhabdomyomas in newborn infants?

<p>Fatality (B)</p> Signup and view all the answers

What is the most common cause of fatality for patients exhibiting evidence of lymphangioleiomyomatosis?

<p>Lung complications (D)</p> Signup and view all the answers

Which of the following organs is NOT typically affected by tuberous sclerosis?

<p>Spleen (B)</p> Signup and view all the answers

What is the 50% risk of inheriting tuberous sclerosis for children of a parent with the condition a result of?

<p>Autosomal dominant inheritance pattern (B)</p> Signup and view all the answers

Which clinical manifestation of Tuberous sclerosis complex (TSC) is commonly found in adolescence?

<p>Facial angiofibromas (A)</p> Signup and view all the answers

At what developmental stage are skin lesions most commonly detected in patients with Tuberous sclerosis complex (TSC)?

<p>Infancy (D)</p> Signup and view all the answers

Which genetic disorder is characterized by an increased predisposition to hamartoma formation?

<p>Tuberous sclerosis complex (TSC) (C)</p> Signup and view all the answers

What is the main cause of fatality for patients exhibiting evidence of lymphangioleiomyomatosis?

<p>Pulmonary lesions (C)</p> Signup and view all the answers

What developmental stage is characterized by the appearance of ungual fibromas in individuals with Tuberous sclerosis complex (TSC)?

<p>Puberty (C)</p> Signup and view all the answers

In individuals with Tuberous sclerosis complex (TSC), what may be present prenatally?

<p>Cardiac rhabdomyomas (C)</p> Signup and view all the answers

What is the main role of hamartin and tuberin proteins in the body?

<p>To regulate gene transcription and suppress tumor growth (B)</p> Signup and view all the answers

What is the inheritance pattern of tuberous sclerosis?

<p>Autosomal dominant (B)</p> Signup and view all the answers

What is the most common cause of fatality for patients exhibiting evidence of lymphangioleiomyomatosis?

<p>Pulmonary cysts (D)</p> Signup and view all the answers

What is the 50% risk of inheriting tuberous sclerosis for children of a parent with the condition a result of?

<p>Inheritance of a defected TSC1 or TSC2 gene (B)</p> Signup and view all the answers

What genetic disorder is characterized by an increased predisposition to hamartoma formation?

<p>Tuberous sclerosis (C)</p> Signup and view all the answers

Which organs are commonly affected by tumors in tuberous sclerosis?

<p>Brain, skin, heart, kidney, liver, and lungs (D)</p> Signup and view all the answers

What may result from the presence of cardiac rhabdomyomas in newborn infants?

<p>Cardiac failure (A)</p> Signup and view all the answers

What may be inherited or may occur spontaneously in cases of tuberous sclerosis?

<p>A mutation in the TSC2 gene (A)</p> Signup and view all the answers

What is the exact mechanism of pathology that leads to unregulated cell growth and tumor formation in tuberous sclerosis?

<p>Changes in the signaling of mTOR (C)</p> Signup and view all the answers

What is the role of orientation and counseling in the management of tuberous sclerosis?

<p>To assist patients and family members overwhelmed by the disorder (B)</p> Signup and view all the answers

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