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Generalized cutaneous granulocytic sarcoma with joint involvement.

Samina Mansoor¹, Nasir-Ud-Din, Muhammad Azam

¹Department of Pathology Shaukat Khanum Memorial Cancer Hospital, Lahore. samina@skm.org.pk

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP

|July 21, 2010

Summary

This summary is machine-generated.

Granulocytic sarcoma (GS), a rare tumor of immature myeloid cells, can present as a greenish lesion. This case highlights unusual ankle joint involvement preceding acute myeloid leukemia (AML-M4).

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Area of Science:

Hematology
Oncology
Pathology

Background:

Granulocytic sarcoma (GS), also known as chloroma, is an extramedullary tumor of immature myeloid cells.
GS typically involves bone, lymph nodes, skin, and soft tissues.
While rare, GS can occur in unusual sites like joints.

Observation:

This report details a rare case of generalized cutaneous granulocytic sarcoma.
The patient presented with significant involvement of the ankle joint, an uncommon site for GS.
The cutaneous GS preceded the development of acute myeloid leukemia subtype M4 (AML-M4).

Findings:

The case demonstrates an unusual presentation of granulocytic sarcoma with extensive skin and ankle joint involvement.
The greenish hue, characteristic of GS due to myeloperoxidase activity, was noted.
Subsequent progression to AML-M4 was observed in the patient.

Implications:

This case underscores the importance of considering GS in the differential diagnosis of skin and joint lesions, even in unusual locations.
Recognizing rare presentations of GS can aid in early diagnosis and management of myeloid malignancies.
Further research into the predilection sites and progression patterns of GS may improve patient outcomes.