Difference between revisions of "mgh:cyto-1-7"

From MGH Learn Pathology
Line 11: Line 11:
 
== Basic cytomorphology ==
 
== Basic cytomorphology ==
 
<br>
 
<br>
 
+
{{collapsed|
'''Cytology Respiratory Specimens –MN05-J8970'''
+
'''Cytology Respiratory Specimens –MN05-J8970'''|
 
* Sputum
 
* Sputum
 
* Bronchial washing and brushings
 
* Bronchial washing and brushings
 
* Bronchoalveolar lavage (BAL)
 
* Bronchoalveolar lavage (BAL)
 
* Fine needle aspirations (FNA)
 
* Fine needle aspirations (FNA)
<br>
+
|}}
 
+
{{collapsed|
'''Normal Respiratory Cytology –MN05-X13303'''
+
'''Normal Respiratory Cytology –MN05-X13303'''|
 
* Squamous cells (oral contamination)
 
* Squamous cells (oral contamination)
 
* Glandular cells
 
* Glandular cells
Line 26: Line 26:
 
* Pneumocytes
 
* Pneumocytes
 
* Alveolar macrophages
 
* Alveolar macrophages
<br>
+
|}}
 
+
{{collapsed|
'''Alveolar macrophages –MN06-M2366'''
+
'''Alveolar macrophages –MN06-M2366'''|
 
* Oval to bean shaped nuclei
 
* Oval to bean shaped nuclei
 
* Mononucleated or multinucleated
 
* Mononucleated or multinucleated
Line 36: Line 36:
 
* siderophages
 
* siderophages
 
* lipophages(associated with aspiration pneumonia)
 
* lipophages(associated with aspiration pneumonia)
<br>
+
|}}
 
+
{{collapsed|
'''Granulomatous Inflammation –MN05-F5872'''
+
'''Granulomatous Inflammation –MN05-F5872'''|
 
* Seen in pt’s with TB, Sarcoid and Rheumatoid Arthritis.
 
* Seen in pt’s with TB, Sarcoid and Rheumatoid Arthritis.
 
* Can see giant cells
 
* Can see giant cells
 
* Nodular collections of epithelioid histiocytes
 
* Nodular collections of epithelioid histiocytes
 
* Cells with elongated nuclei with pale chromatin and tiny nucleoli
 
* Cells with elongated nuclei with pale chromatin and tiny nucleoli
<br>
+
|}}
 
+
{{collapsed|
'''Chondroid Hamartoma–C03-C14116'''
+
'''Chondroid Hamartoma–C03-C14116'''|
 
* Cartilage
 
* Cartilage
 
* mature - homogenous, waxy
 
* mature - homogenous, waxy
Line 52: Line 52:
 
* small bland bronchial cells
 
* small bland bronchial cells
 
* Respiratory Infection –MN08-F9275 and N12-9869
 
* Respiratory Infection –MN08-F9275 and N12-9869
<br>
+
|}}
 
+
{{collapsed|
'''Candida and Actinomyces from oral contamination'''
+
'''Candida and Actinomyces from oral contamination'''|
 
* Aspergillus
 
* Aspergillus
 
* 45º angle branching of true septate
 
* 45º angle branching of true septate
Line 64: Line 64:
 
* broad, irregular ribbon-like hyphae
 
* broad, irregular ribbon-like hyphae
 
* folding of hyphae
 
* folding of hyphae
<br>
+
|}}
 
+
{{collapsed|
'''Squamous Cell Carcinoma –C92-8306 and MN06-324'''
+
'''Squamous Cell Carcinoma –C92-8306 and MN06-324'''|
 
* Keratinizing (Well-Diff)/ Nonkeratinizing(Mod to poorly Diff)
 
* Keratinizing (Well-Diff)/ Nonkeratinizing(Mod to poorly Diff)
 
* Bizarre cell shapes
 
* Bizarre cell shapes
Line 73: Line 73:
 
* Coarsely granular and/or opaque nucleus
 
* Coarsely granular and/or opaque nucleus
 
* Nucleoli possible
 
* Nucleoli possible
<br>
+
|}}
 
+
{{collapsed|
'''Bronchogenic adenocarcinoma –C00-A43961'''
+
'''Bronchogenic adenocarcinoma –C00-A43961'''|
 
* 3-D balls, single cells, syncytia
 
* 3-D balls, single cells, syncytia
 
* Lacy, fine, vacuolated cytoplasm
 
* Lacy, fine, vacuolated cytoplasm
Line 81: Line 81:
 
* Finely granular irregular chromatin
 
* Finely granular irregular chromatin
 
* Nucleoli
 
* Nucleoli
<br>
+
|}}
 
+
{{collapsed|
'''Bronchioloalveolar Carcinoma –C01-W33204'''
+
'''Bronchioloalveolar Carcinoma –C01-W33204'''|
 
* 3-D balls, papillary growth
 
* 3-D balls, papillary growth
 
* Finely granular to clear cytoplasm
 
* Finely granular to clear cytoplasm
Line 90: Line 90:
 
* Intranuclear cytoplasmic invaginations
 
* Intranuclear cytoplasmic invaginations
 
* Psammoma bodies may be seen
 
* Psammoma bodies may be seen
<br>
+
|}}
 
+
{{collapsed|
'''Small Cell Carcinoma –C03-T32870 and MN04-G5451'''
+
'''Small Cell Carcinoma –C03-T32870 and MN04-G5451'''|
 
* Single and syncytial
 
* Single and syncytial
 
* Nuclear molding
 
* Nuclear molding
Line 101: Line 101:
 
* Crush artifact ( nuclear DNA streaming)
 
* Crush artifact ( nuclear DNA streaming)
 
* One to four times the size of a lymphocyte
 
* One to four times the size of a lymphocyte
<br>
+
|}}
 
+
{{collapsed|
'''Carcinoid –C02-M34743'''
+
'''Carcinoid –C02-M34743'''|
 
* Uniform cuboidal cells
 
* Uniform cuboidal cells
 
* Scant to moderate cytoplasm
 
* Scant to moderate cytoplasm
Line 110: Line 110:
 
* Small nucleoli possible
 
* Small nucleoli possible
 
* Small blood vessels in background
 
* Small blood vessels in background
<br>
+
|}}
 
+
{{collapsed|
'''Metastatic malignancy –MN07-T9423, MN07-T9423 and C97-B18744'''
+
'''Metastatic malignancy –MN07-T9423, MN07-T9423 and C97-B18744'''|
 
* Compare the metastatic with the primary lesion
 
* Compare the metastatic with the primary lesion
 
* Usually no tumor diathesis     
 
* Usually no tumor diathesis     
 
* Presence of multiple nodules and a history of morphologically compatible cancer strongly favor metastasis
 
* Presence of multiple nodules and a history of morphologically compatible cancer strongly favor metastasis
 +
|}}
 
{{:mgh:cytology-footer}}
 
{{:mgh:cytology-footer}}

Revision as of 15:38, July 2, 2020

Lectures

  • Indications for cytology examination
  • Procuring the specimen
  • Test platforms/specimen processing and triage
  • Report


Basic cytomorphology


Cytology Respiratory Specimens –MN05-J8970
Normal Respiratory Cytology –MN05-X13303
Alveolar macrophages –MN06-M2366
Granulomatous Inflammation –MN05-F5872
Chondroid Hamartoma–C03-C14116
Candida and Actinomyces from oral contamination
Squamous Cell Carcinoma –C92-8306 and MN06-324
Bronchogenic adenocarcinoma –C00-A43961
Bronchioloalveolar Carcinoma –C01-W33204
Small Cell Carcinoma –C03-T32870 and MN04-G5451
Carcinoid –C02-M34743
Metastatic malignancy –MN07-T9423, MN07-T9423 and C97-B18744

Cytology service page