Lymphangioleiomyomatosis:
1. Yet another misnomer in #pulmpath
2. PEComatous proliferations in walls of lung cysts
3. ALWAYS consider in women with bilateral lung cysts, recurrent pneumothoraces, tuberous sclerosis or renal angiomyolipoma
4. VERY IMPORTANT for boards
#pathsky
1. Yet another misnomer in #pulmpath
2. PEComatous proliferations in walls of lung cysts
3. ALWAYS consider in women with bilateral lung cysts, recurrent pneumothoraces, tuberous sclerosis or renal angiomyolipoma
4. VERY IMPORTANT for boards
#pathsky
September 1, 2025 at 4:41 AM
Learn to differentiate fibroblast foci (this image) from fibroblast plugs (Masson bodies), or you will never learn to diagnose UIP and forever be "correlating" with CT findings. Don't misdiagnose UIP as organizing pneumonia!
#pathology #pulmpath #uip #pathsky
#pathology #pulmpath #uip #pathsky
August 29, 2025 at 11:57 PM
Learn to differentiate fibroblast foci (this image) from fibroblast plugs (Masson bodies), or you will never learn to diagnose UIP and forever be "correlating" with CT findings. Don't misdiagnose UIP as organizing pneumonia!
#pathology #pulmpath #uip #pathsky
#pathology #pulmpath #uip #pathsky
Image of the Week!
Submitted by: Gustavo G. Engelman, M.D.
Directory Profile: buff.ly/g1lc8eY
Subspecialty: Pulmonary / thoracic
Diagnosis: Thymoma type A
#Pathology #PathologyOutlines #PulmPath
Submitted by: Gustavo G. Engelman, M.D.
Directory Profile: buff.ly/g1lc8eY
Subspecialty: Pulmonary / thoracic
Diagnosis: Thymoma type A
#Pathology #PathologyOutlines #PulmPath
August 13, 2025 at 6:59 PM
Image of the Week!
Submitted by: Gustavo G. Engelman, M.D.
Directory Profile: buff.ly/g1lc8eY
Subspecialty: Pulmonary / thoracic
Diagnosis: Thymoma type A
#Pathology #PathologyOutlines #PulmPath
Submitted by: Gustavo G. Engelman, M.D.
Directory Profile: buff.ly/g1lc8eY
Subspecialty: Pulmonary / thoracic
Diagnosis: Thymoma type A
#Pathology #PathologyOutlines #PulmPath
July 31, 2025 at 12:37 PM
Disseminated histoplasmosis, cytology, BAL specimen, pap stain #pathology #pulmpath #pathsky
In lung specimens, this morphology is a surrogate for disseminated disease
pubmed.ncbi.nlm.nih.gov/24054723/
In lung specimens, this morphology is a surrogate for disseminated disease
pubmed.ncbi.nlm.nih.gov/24054723/
July 6, 2025 at 2:56 PM
Disseminated histoplasmosis, cytology, BAL specimen, pap stain #pathology #pulmpath #pathsky
In lung specimens, this morphology is a surrogate for disseminated disease
pubmed.ncbi.nlm.nih.gov/24054723/
In lung specimens, this morphology is a surrogate for disseminated disease
pubmed.ncbi.nlm.nih.gov/24054723/
July 6, 2025 at 2:08 PM
I have a question for the native speakers - what do you call the material made of concrete with lots of embedded pebbles stones usually used in construction, outdoor flooring etc.
I have seen "washed out concrete" as technical term. I am not sure if "pebbledash" refers this or a form of plaster.
I have seen "washed out concrete" as technical term. I am not sure if "pebbledash" refers this or a form of plaster.
June 17, 2025 at 11:15 PM
PGY1s: the "cribriform" growth pattern occurs in many cancers including adenoid cystic carcinoma and prostate cancer. It results when many small glands are packed together back to back into a sieve-like collection of lumens. From Latin (cribrum = sieve) #pathology #pulmpath #pathsky
June 17, 2025 at 11:13 PM
PGY1s: the "cribriform" growth pattern occurs in many cancers including adenoid cystic carcinoma and prostate cancer. It results when many small glands are packed together back to back into a sieve-like collection of lumens. From Latin (cribrum = sieve) #pathology #pulmpath #pathsky
Mesothelial cells in transbronchial biopsy
Difficult question but kudos to @EvidenceOpen for citing Bejarano et al
#pathology #pulmpath #pathsky
Difficult question but kudos to @EvidenceOpen for citing Bejarano et al
#pathology #pulmpath #pathsky
June 4, 2025 at 2:36 AM
Mesothelial cells in transbronchial biopsy
Difficult question but kudos to @EvidenceOpen for citing Bejarano et al
#pathology #pulmpath #pathsky
Difficult question but kudos to @EvidenceOpen for citing Bejarano et al
#pathology #pulmpath #pathsky
May 24, 2025 at 1:31 AM
✨ Celebrating our Cardiothoracic Fellow & Team at their end-of-year gathering! Thank you for being the "heart" of our Department! #pathology #path2path #PathSky #cardiacpath #pulmpath #lungpath
May 22, 2025 at 8:05 PM
✨ Celebrating our Cardiothoracic Fellow & Team at their end-of-year gathering! Thank you for being the "heart" of our Department! #pathology #path2path #PathSky #cardiacpath #pulmpath #lungpath
May 4, 2025 at 12:01 PM
Granulomas of sarcoidosis vs "granulomas" of hypersensitivity pneumonitis
#pathsky #pathology #pulmpath
#pathsky #pathology #pulmpath
April 19, 2025 at 1:49 AM
Granulomas of sarcoidosis vs "granulomas" of hypersensitivity pneumonitis
#pathsky #pathology #pulmpath
#pathsky #pathology #pulmpath
Enjoy 6 extra cyto cases I put together for today!
😊😊
www.classmarker.com/online-test/...
#PathSky #PulmPath #Pathology #CytoPath
😊😊
www.classmarker.com/online-test/...
#PathSky #PulmPath #Pathology #CytoPath
April 11, 2025 at 2:06 PM
Enjoy 6 extra cyto cases I put together for today!
😊😊
www.classmarker.com/online-test/...
#PathSky #PulmPath #Pathology #CytoPath
😊😊
www.classmarker.com/online-test/...
#PathSky #PulmPath #Pathology #CytoPath
❌Adenocarcinoma
Cohesive flat sheets or dense, glandular, acinar, or papillary architecture with cells orientated to edges.
Nuclei: central, round/oval, large nucleoli & fine chromatin
Cytoplasm: eccentric, well-defined, and one to multiple vacuoles
TTF1+ p40-
#PathSky #PulmPath #Pathology
Cohesive flat sheets or dense, glandular, acinar, or papillary architecture with cells orientated to edges.
Nuclei: central, round/oval, large nucleoli & fine chromatin
Cytoplasm: eccentric, well-defined, and one to multiple vacuoles
TTF1+ p40-
#PathSky #PulmPath #Pathology
April 11, 2025 at 2:06 PM
❌Adenocarcinoma
Cohesive flat sheets or dense, glandular, acinar, or papillary architecture with cells orientated to edges.
Nuclei: central, round/oval, large nucleoli & fine chromatin
Cytoplasm: eccentric, well-defined, and one to multiple vacuoles
TTF1+ p40-
#PathSky #PulmPath #Pathology
Cohesive flat sheets or dense, glandular, acinar, or papillary architecture with cells orientated to edges.
Nuclei: central, round/oval, large nucleoli & fine chromatin
Cytoplasm: eccentric, well-defined, and one to multiple vacuoles
TTF1+ p40-
#PathSky #PulmPath #Pathology
Adenocarcinoma or squamous cell carcinoma?🧐
Both or neither? 🧐
#PathTwitter #PathSky #PulmPath #Pathology
Both or neither? 🧐
#PathTwitter #PathSky #PulmPath #Pathology
April 11, 2025 at 2:06 PM
Adenocarcinoma or squamous cell carcinoma?🧐
Both or neither? 🧐
#PathTwitter #PathSky #PulmPath #Pathology
Both or neither? 🧐
#PathTwitter #PathSky #PulmPath #Pathology
Today’s 4 extra cases here!
www.classmarker.com/online-test/...
can you do it??
#PulmPath #PathSky #pathology
www.classmarker.com/online-test/...
can you do it??
#PulmPath #PathSky #pathology
Create online tests
www.classmarker.com
April 10, 2025 at 10:56 AM
Today’s 4 extra cases here!
www.classmarker.com/online-test/...
can you do it??
#PulmPath #PathSky #pathology
www.classmarker.com/online-test/...
can you do it??
#PulmPath #PathSky #pathology
✅Schwannoma
slow-growing solitary tumor in posterior mediastinum (paravertebral)
spindle cells with ovoid / buckled nuclei with tapered ends
bizarre shapes, ancient change, and pseudoinclusions may be seen
paranuclear vacuoles not seen, seen in leiomyoma
#PulmPath #PathSky #pathology
slow-growing solitary tumor in posterior mediastinum (paravertebral)
spindle cells with ovoid / buckled nuclei with tapered ends
bizarre shapes, ancient change, and pseudoinclusions may be seen
paranuclear vacuoles not seen, seen in leiomyoma
#PulmPath #PathSky #pathology
April 10, 2025 at 10:56 AM
✅Schwannoma
slow-growing solitary tumor in posterior mediastinum (paravertebral)
spindle cells with ovoid / buckled nuclei with tapered ends
bizarre shapes, ancient change, and pseudoinclusions may be seen
paranuclear vacuoles not seen, seen in leiomyoma
#PulmPath #PathSky #pathology
slow-growing solitary tumor in posterior mediastinum (paravertebral)
spindle cells with ovoid / buckled nuclei with tapered ends
bizarre shapes, ancient change, and pseudoinclusions may be seen
paranuclear vacuoles not seen, seen in leiomyoma
#PulmPath #PathSky #pathology
Today’s 4 extra cases here!
www.classmarker.com/online-test/...
can you do it??
#PulmPath #PathSky #pathology
www.classmarker.com/online-test/...
can you do it??
#PulmPath #PathSky #pathology
April 10, 2025 at 10:56 AM
Today’s 4 extra cases here!
www.classmarker.com/online-test/...
can you do it??
#PulmPath #PathSky #pathology
www.classmarker.com/online-test/...
can you do it??
#PulmPath #PathSky #pathology
❌Meningioma
Most lesions are peripheral and localized to the lung
Well circumscribed, solid proliferation
Bland tumor cells growing in whorls and lobular nests
#PulmPath #PathSky #Pathology
Most lesions are peripheral and localized to the lung
Well circumscribed, solid proliferation
Bland tumor cells growing in whorls and lobular nests
#PulmPath #PathSky #Pathology
April 10, 2025 at 10:56 AM
❌Meningioma
Most lesions are peripheral and localized to the lung
Well circumscribed, solid proliferation
Bland tumor cells growing in whorls and lobular nests
#PulmPath #PathSky #Pathology
Most lesions are peripheral and localized to the lung
Well circumscribed, solid proliferation
Bland tumor cells growing in whorls and lobular nests
#PulmPath #PathSky #Pathology
❌Non-Caseating Granuloma
Histiocytes lack the distinct wavy/buckled appearance of Schwann cells.
#PulmPath #PathSky #Pathology
Histiocytes lack the distinct wavy/buckled appearance of Schwann cells.
#PulmPath #PathSky #Pathology
April 10, 2025 at 10:56 AM
❌Non-Caseating Granuloma
Histiocytes lack the distinct wavy/buckled appearance of Schwann cells.
#PulmPath #PathSky #Pathology
Histiocytes lack the distinct wavy/buckled appearance of Schwann cells.
#PulmPath #PathSky #Pathology
Which of the following features IS NOT seen in schwannoma?
A) Bizarre nuclei
B) Nuclei with pointed tips
C) Intranuclear pseudoinclusions
D) Paranuclear vacuoles
#PulmPath #PathSky #pathology
A) Bizarre nuclei
B) Nuclei with pointed tips
C) Intranuclear pseudoinclusions
D) Paranuclear vacuoles
#PulmPath #PathSky #pathology
April 10, 2025 at 10:56 AM
Which of the following features IS NOT seen in schwannoma?
A) Bizarre nuclei
B) Nuclei with pointed tips
C) Intranuclear pseudoinclusions
D) Paranuclear vacuoles
#PulmPath #PathSky #pathology
A) Bizarre nuclei
B) Nuclei with pointed tips
C) Intranuclear pseudoinclusions
D) Paranuclear vacuoles
#PulmPath #PathSky #pathology
Solitary paravertebral lesion.
Schwannoma?
Meningioma?
Or just some histiocytes?
#PulmPath #PathSky #Pathology
Schwannoma?
Meningioma?
Or just some histiocytes?
#PulmPath #PathSky #Pathology
April 10, 2025 at 10:56 AM
Solitary paravertebral lesion.
Schwannoma?
Meningioma?
Or just some histiocytes?
#PulmPath #PathSky #Pathology
Schwannoma?
Meningioma?
Or just some histiocytes?
#PulmPath #PathSky #Pathology