Multi-Organ Histopathologic Evaluation of Suspected Systemic Microvascular Pathology in a Cadaver with Cerebrovascular Death
Location
Moultrie, GA
Start Date
17-4-2026 12:00 PM
End Date
17-4-2026 1:00 PM
Description
INTRODUCTION
Disseminated intravascular coagulation (DIC) is characterized by systemic activation of the coagulation cascade resulting in widespread microvascular thrombosis and multi-organ injury. Although DIC is primarily diagnosed clinically, histologic evidence of vascular compromise and tissue ischemia may be observed in affected organs. During routine cadaveric dissection of a specimen with a documented cause of death of stroke, gross findings suggestive of systemic vascular pathology were observed, including vascular congestion and petechial-appearing hemorrhages in multiple tissues. In addition, bilateral renal abnormalities were noted consisting of amorphous yellow material extending from the renal papilla into the surrounding medullary region and collecting system. These findings raised concern for possible ischemic or thrombotic processes and prompted further histologic evaluation.
OBJECTIVES
The primary objective of this investigation is to evaluate multiple organ tissues for histologic evidence of systemic vascular compromise or microvascular pathology potentially consistent with disseminated intravascular coagulation. A secondary objective is to characterize the gross renal abnormality observed during dissection and determine whether the finding reflects ischemic injury, thrombotic pathology, or postmortem artifact.
METHODS: This study represents a cadaveric case analysis performed during routine anatomical dissection. Tissue samples were obtained from the kidney, specifically the renal papilla and renal cortex, as well as from the lung, brain, skin, brachial artery, and colon. Histologic evaluation is being performed using hematoxylin and eosin staining for general morphologic assessment and trichrome staining to evaluate connective tissue architecture and vascular integrity. Periodic acid–Schiff (PAS) staining is being applied to kidney and lung samples to further evaluate tissue architecture and vascular structures. Histologic analysis will assess for evidence of vascular compromise, ischemic injury, or other pathologic changes.
RESULTS
Preliminary findings include bilateral gross renal abnormalities characterized by amorphous material extending from the renal papilla into the medullary region and collecting system. Additional observations included vascular congestion and petechial hemorrhages in multiple tissues. Histologic evaluation of the collected tissue samples is currently in progress.
CONCLUSION
This case demonstrates unusual bilateral renal findings in a cadaver with a documented cerebrovascular cause of death and suspected systemic vascular pathology. Ongoing histologic evaluation will further characterize the renal lesion and determine whether evidence of systemic vascular compromise or microvascular pathology is present.
Embargo Period
5-25-2026
Multi-Organ Histopathologic Evaluation of Suspected Systemic Microvascular Pathology in a Cadaver with Cerebrovascular Death
Moultrie, GA
INTRODUCTION
Disseminated intravascular coagulation (DIC) is characterized by systemic activation of the coagulation cascade resulting in widespread microvascular thrombosis and multi-organ injury. Although DIC is primarily diagnosed clinically, histologic evidence of vascular compromise and tissue ischemia may be observed in affected organs. During routine cadaveric dissection of a specimen with a documented cause of death of stroke, gross findings suggestive of systemic vascular pathology were observed, including vascular congestion and petechial-appearing hemorrhages in multiple tissues. In addition, bilateral renal abnormalities were noted consisting of amorphous yellow material extending from the renal papilla into the surrounding medullary region and collecting system. These findings raised concern for possible ischemic or thrombotic processes and prompted further histologic evaluation.
OBJECTIVES
The primary objective of this investigation is to evaluate multiple organ tissues for histologic evidence of systemic vascular compromise or microvascular pathology potentially consistent with disseminated intravascular coagulation. A secondary objective is to characterize the gross renal abnormality observed during dissection and determine whether the finding reflects ischemic injury, thrombotic pathology, or postmortem artifact.
METHODS: This study represents a cadaveric case analysis performed during routine anatomical dissection. Tissue samples were obtained from the kidney, specifically the renal papilla and renal cortex, as well as from the lung, brain, skin, brachial artery, and colon. Histologic evaluation is being performed using hematoxylin and eosin staining for general morphologic assessment and trichrome staining to evaluate connective tissue architecture and vascular integrity. Periodic acid–Schiff (PAS) staining is being applied to kidney and lung samples to further evaluate tissue architecture and vascular structures. Histologic analysis will assess for evidence of vascular compromise, ischemic injury, or other pathologic changes.
RESULTS
Preliminary findings include bilateral gross renal abnormalities characterized by amorphous material extending from the renal papilla into the medullary region and collecting system. Additional observations included vascular congestion and petechial hemorrhages in multiple tissues. Histologic evaluation of the collected tissue samples is currently in progress.
CONCLUSION
This case demonstrates unusual bilateral renal findings in a cadaver with a documented cerebrovascular cause of death and suspected systemic vascular pathology. Ongoing histologic evaluation will further characterize the renal lesion and determine whether evidence of systemic vascular compromise or microvascular pathology is present.