Metabolic Disorders Quiz: Lipoid Proteinosis and Systemic Amyloidosis

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70 Questions

What is the treatment of choice for lipoid proteinosis causing hoarseness of voice?

Acitretin

What genetic mutation is associated with Legius syndrome, which presents without tumors, freckles, lipoma, macrocephaly, and ADHD?

SPRED1 gene mutation

In a case of severe itchy macular hyperpigmentation on the back (macular amyloidosis), what investigation would be most appropriate?

Congo red

What would be the next step for a patient suspected of systemic amyloidosis?

Serum protein electrophoresis

What is the next step for a female patient with macular amyloidosis?

Consult an endocrinologist

In a pediatric patient with erythema and bone pain, histological findings of epithelioid granuloma and few lymphocytes point to a gene defect associated with which syndrome?

TNFR1 syndrome

What gene defect is associated with Fabry's disease?

GLA gene

A male patient with an erythematous rash and bone pain should have a bone x-ray performed on which site if the skull or cranium is not present?

Spine

What is the most common association of macular amyloidosis?

No known specific association

What mutation is responsible for causing Langerhans cell histiocytosis?

Mutation in BRAF gene

In a patient with cutaneous amyloidosis, what organ association is commonly seen?

(Renal) kidney involvement

(Tubers xanthoma) bilateral nodules on the Achilles tendon are typically associated with an elevation in which investigation?

(Cholesterol) serum cholesterol levels

(Angiokeratoma) presenting with hyperkeratosis and rete ridges encircling dilated vessels in the papillary dermis points to a defect in which enzyme?

(Galactosidase A) alpha-galactosidase A

In a patient with neurofibromatosis, what association is commonly seen?

Pheochromocytoma development

In a case of Wilson's disease, what would you expect to find in the epidermis?

Elastic fiber accumulation

In a patient with Wilson's disease, what would you expect to find in the epidermis?

Elastic fibers

In a case of severe itchy macular hyperpigmentation on the back (macular amyloidosis), what investigation would be most appropriate?

Bone marrow biopsy

A male patient with an erythematous rash and bone pain should have a bone x-ray performed on which site if the skull or cranium is not present?

Spine

In a patient with cutaneous amyloidosis, what organ association is commonly seen?

Renal impairment

(Tubers xanthoma) bilateral nodules on the Achilles tendon are typically associated with an elevation in which investigation?

Cholesterol level

(Angiokeratoma) presenting with hyperkeratosis and rete ridges encircling dilated vessels in the papillary dermis points to a defect in which enzyme?

Galactosidase A

In a case of Wilson's disease, what will you expect to find in the epidermis?

Elastic fibers

In a pediatric patient with erythema and bone pain, histological findings of epithelioid granuloma and few lymphocytes point to a gene defect associated with which syndrome?

ACE Fabry's disease defect (picture)

A female patient with macular amyloidosis would most likely require what investigation next?

Immunofixation

A child with porphyria would most likely benefit from which treatment approach?

Phlebotomy

A patient with skin-colored papules and elastic skin on the neck and angoid streaks on retina should consider taking which action next?

Start Biologic

What investigation would be most appropriate for a patient with sever itchy macular hyperpigmentation on the back (macular amyloidosis)?

Congo red

For a 10-year-old child with normal findings but scars on knuckles, which porphyria investigation would be expected to be positive and which negative?

Urine porphyrin: negative, Blood porphyrin: positive

In a case of severe itchy macular hyperpigmentation on the back (macular amyloidosis), what would be the most appropriate association?

Systemic amyloidosis

In a case of lipoid proteinosis causing hoarseness of voice, what is the most appropriate treatment?

Chemo Steroid + Melphalan

In a patient with neurofibromatosis, what association is commonly seen?

Café au lait macules

What association would be commonly found in a patient with Legius syndrome caused by SPRED1 gene?

Macrocephaly

Which investigation is typically elevated in a patient with tuberous xanthoma (bilateral nodules on the Achilles tendon)?

Calcitonin level

(Angiokeratoma) presenting with hyperkeratosis and rete ridges encircling dilated vessels in the papillary dermis points to a defect in which enzyme?

alpha-galactosidase A

In a patient with cutaneous amyloidosis, what organ association is commonly seen?

Kidney

What would be the next step for a patient suspected of systemic amyloidosis?

Blood or urine electrophoresis

A male patient with an erythematous rash and bone pain should have a bone x-ray performed on which site if the skull or cranium is not present?

Arm

What genetic mutation is associated with Legius syndrome, which presents without tumors, freckles, lipoma, macrocephaly, and ADHD?

SPRED1 gene

Which gene defect is associated with Legius syndrome, presenting without tumors, freckles, lipoma, macrocephaly, and ADHD?

SPRED1

In a case of lipoid proteinosis causing hoarseness of voice, what is the most appropriate treatment?

Steroid Acitretin

What investigation would be most appropriate for a patient with severe itchy macular hyperpigmentation on the back (macular amyloidosis)?

Congo red

In a patient with generalized hyperpigmentation, hepatomegaly, and diabetes, what association would be expected?

McCune-Albright syndrome by GNAS mutation

Which investigation would be most appropriate for a 10-year-old child with normal findings but scars on knuckles, to differentiate between porphyria types?

Urine porphyrin negative blood porphyrin positive

(Angiokeratoma) presenting with hyperkeratosis and rete ridges encircling dilated vessels in the papillary dermis points to a defect in which enzyme?

Fabry's disease enzyme

What is the next most appropriate step for a female patient with macular amyloidosis?

Seek evaluation by an ophthalmologist.

In a case of juvenile xanthogranuloma, what would be the next most appropriate step?

Consult with an ophthalmologist.

For a 40-year-old female with generalized purpuric eruption and sole ulcer, what would be the most appropriate treatment?

Methotrexate.

What should be monitored during treatment for mastocytosis aggravated by a drug?

Serum creatinine levels.

In a patient with skin-colored papules, elastic skin on the neck, and angoid streaks on the retina, what action is most appropriate?

Introduce simvastatin.

What is the best investigation to order for a patient with perforating disease, consistent clinical features, and renal failure?

Serum creatinine test.

What investigation is needed for a patient with nodules on the olecranon ligament?

[X-ray of the affected area.

What is the treatment of choice for end-stage renal disease with perforating disease?

[NBUVB phototherapy].

A 3-month-old child presents with vomiting and brown lesions, and an X-ray shows osteolytic lesions. What is the most appropriate treatment?

Vincristine or vinblastine

What is the most appropriate treatment for an infant with low weight and multiple brown lesions with X-ray findings of osteolytic lesions?

Vincristine

In a patient with lipoid proteinosis causing hoarseness of voice, which treatment should be avoided due to the potential severity of adverse reactions?

Chemo Steroid + Melphalan

In a case of generalized hyperpigmentation, hepatomegaly, and diabetes, what association would be expected?

Hemochromatosis

What investigation is most appropriate for a 10-year-old child with normal findings but scars on knuckles?

Blood porphyrine positive

In a case of macular amyloidosis, what investigation would be most appropriate?

Congo red

Which gene defect is associated with Legius syndrome, presenting without tumors, freckles, lipoma, macrocephaly, and ADHD?

SPRED1 gene

What is the next most appropriate step for a patient suspected of systemic amyloidosis?

Blood or urine electrophoresis

What is the next most appropriate step for a female patient with macular amyloidosis?

Consult an ophthalmologist.

In a case of Langerhans cell histiocytosis, which investigation would be needed if the skull or cranium is not present?

X-ray on the leg.

In a patient with nodules on the olecranon ligament, what investigation would be most appropriate?

Cholesterol levels test.

In a patient with vesicular eruption on hand, arm, and face, with no inflammatory infiltrate in the histopathology, what would be the most appropriate treatment?

Phlebotomy if porphyria cutanea tarda (PCT) is present.

In a case of Hypothesia and hypohydrosis, which investigation would be most appropriate?

Mucinosis muco-polysaccharide test.

In a case of scleromyxoedema with waxy papules on the face and upper back, what would be the most appropriate treatment?

Intravenous immunoglobulin (IVIG) therapy.

In an infant with low weight and multiple brown lesions, which treatment is most appropriate if X-ray findings show osteolytic lesions?

Vincristine therapy.

(Angiokeratoma) presenting with hyperkeratosis and rete ridges encircling dilated vessels in the papillary dermis points to a defect in which enzyme?

[Galactosidase A].

In a pediatric patient with erythema and bone pain, histological findings of epithelioid granuloma and few lymphocytes point to a gene defect associated with which syndrome?

Defect in Fabry's disease gene (GLA galactosidase A).

In a patient with skin-colored papules, elastic skin on the neck, and angoid streaks on retina, what action is most appropriate?

Consider biologic therapy.

Test your knowledge of metabolic disorders with this quiz covering lipoid proteinosis and systemic amyloidosis. Answer questions about treatment options, diagnostic procedures, and management of these conditions.

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