Podcast
Questions and Answers
Match the stain with its primary usage:
Match the stain with its primary usage:
Prussian blue stain = Iron in hemosiderin turns blue to black when exposed to potassium ferrocyanide Thioflavin T = Used for amyloidosis Mucicarmine stain = Used for adenocarcinoma Periodic Acid Schiff (PAS) = Useful in identifying fungi, parasites, glycogen, and the basement membrane
Match the marker with its staining pattern:
Match the marker with its staining pattern:
CD34 = Positive in DFSP Factor XIIIa = Negative in DFSP S100 protein = Non-specific stain commonly used in the diagnosis of melanoma Neuron specific enolase = Stains merkel cells
Match the staining technique with its target substance:
Match the staining technique with its target substance:
Fontana Masson stain = Melanin black for dematiaceous fungi identification Gormorimethenamine silver = Stains fungi, parasites, Donovan bodies, and Rhinoscleroma black Von Kossa stain = Identifies calcium by staining it black Cytokeratin 7 = Associated with extramammary Paget's disease
Match the stain with its target organism or substance:
Match the stain with its target organism or substance:
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Match the following immunohistochemical stains with their respective tumor types:
Match the following immunohistochemical stains with their respective tumor types:
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Match the following gene mutations with their associated conditions:
Match the following gene mutations with their associated conditions:
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Match the following neoplasms with their characteristic immunohistochemical stains:
Match the following neoplasms with their characteristic immunohistochemical stains:
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Match the following syndromes with their associated gene mutations or tests:
Match the following syndromes with their associated gene mutations or tests:
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Match the following skin lesions with their most likely locations on the body:
Match the following skin lesions with their most likely locations on the body:
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What is the most likely diagnosis based on the clinical and histologic findings of a 63-year-old female with a papillomatous yellow-orange plaque on the scalp and a smooth, pink nodule paracentrally within the plaque?
What is the most likely diagnosis based on the clinical and histologic findings of a 63-year-old female with a papillomatous yellow-orange plaque on the scalp and a smooth, pink nodule paracentrally within the plaque?
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In suspected carcinoid syndrome, which urine test should be ordered?
In suspected carcinoid syndrome, which urine test should be ordered?
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What is the most common cancer in POEMS syndrome?
What is the most common cancer in POEMS syndrome?
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Where on the body would a venous lake most likely present?
Where on the body would a venous lake most likely present?
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What are the immunohistochemical markers for DFSP?
What are the immunohistochemical markers for DFSP?
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What are the immunohistochemical markers for atypical fibroxanthoma?
What are the immunohistochemical markers for atypical fibroxanthoma?
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What are the immunohistochemical markers for shwanomma or Neurolemmoma?
What are the immunohistochemical markers for shwanomma or Neurolemmoma?
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What are the immunohistochemical markers for melanoma?
What are the immunohistochemical markers for melanoma?
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What are the immunohistochemical markers for glomus tumor?
What are the immunohistochemical markers for glomus tumor?
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What are the immunohistochemical markers for leimyosarcoma?
What are the immunohistochemical markers for leimyosarcoma?
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What is the gene associated with mastocytosis?
What is the gene associated with mastocytosis?
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What is the gene associated with early onset sarcoid?
What is the gene associated with early onset sarcoid?
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What stain is used to identify iron in hemosiderin?
What stain is used to identify iron in hemosiderin?
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Which stain is useful in identifying fungi, parasites, glycogen, and the basement membrane?
Which stain is useful in identifying fungi, parasites, glycogen, and the basement membrane?
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What stain is used to identify melanin and helps identify dematiaceous fungi?
What stain is used to identify melanin and helps identify dematiaceous fungi?
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Which stain is used to identify calcium by staining it black?
Which stain is used to identify calcium by staining it black?
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What stain is commonly used as an adjunctive marker in the diagnosis of melanoma?
What stain is commonly used as an adjunctive marker in the diagnosis of melanoma?
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Which stain is used to identify amyloidosis?
Which stain is used to identify amyloidosis?
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What stain is used to identify extramammary Paget's disease?
What stain is used to identify extramammary Paget's disease?
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Which stain is used to identify adenocarcinoma?
Which stain is used to identify adenocarcinoma?
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What stain is used to identify mastocytosis?
What stain is used to identify mastocytosis?
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Which stain stains fungi, parasites, Donovan bodies, and Rhinoscleroma black?
Which stain stains fungi, parasites, Donovan bodies, and Rhinoscleroma black?
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What stain is used to identify merkel cells?
What stain is used to identify merkel cells?
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Which stain is positive in Rosai Dorfman syndrome?
Which stain is positive in Rosai Dorfman syndrome?
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Which stain is used to identify iron in hemosiderin?
Which stain is used to identify iron in hemosiderin?
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What stain is commonly used as an adjunctive marker in the diagnosis of melanoma?
What stain is commonly used as an adjunctive marker in the diagnosis of melanoma?
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What stain is used to identify amyloidosis?
What stain is used to identify amyloidosis?
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What stain is used to identify mastocytosis?
What stain is used to identify mastocytosis?
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What stain is used to identify melanin and helps identify dematiaceous fungi?
What stain is used to identify melanin and helps identify dematiaceous fungi?
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What stain is used to identify calcium by staining it black?
What stain is used to identify calcium by staining it black?
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What is the most likely diagnosis based on the clinical and histologic findings of a 63-year-old female with a papillomatous yellow-orange plaque on the scalp and a smooth, pink nodule paracentrally within the plaque?
What is the most likely diagnosis based on the clinical and histologic findings of a 63-year-old female with a papillomatous yellow-orange plaque on the scalp and a smooth, pink nodule paracentrally within the plaque?
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In suspected carcinoid syndrome, which urine test should be ordered?
In suspected carcinoid syndrome, which urine test should be ordered?
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What is the most common cancer in POEMS syndrome?
What is the most common cancer in POEMS syndrome?
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Where on the body would a venous lake most likely present?
Where on the body would a venous lake most likely present?
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What gene mutation is associated with mastocytosis?
What gene mutation is associated with mastocytosis?
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What stain is used to identify extramammary Paget's disease?
What stain is used to identify extramammary Paget's disease?
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Which urine test should be ordered in suspected carcinoid syndrome?
Which urine test should be ordered in suspected carcinoid syndrome?
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What is the gene associated with early onset sarcoid?
What is the gene associated with early onset sarcoid?
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What are the immunohistochemical markers for shwanomma or Neurolemmoma?
What are the immunohistochemical markers for shwanomma or Neurolemmoma?
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What are the immunohistochemical markers for melanoma?
What are the immunohistochemical markers for melanoma?
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What stain is useful in identifying fungi, parasites, glycogen, and the basement membrane?
What stain is useful in identifying fungi, parasites, glycogen, and the basement membrane?
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What stain is used to identify mastocytosis?
What stain is used to identify mastocytosis?
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