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palisading granuloma

Monday 29 December 2003

palisaded granulomas

Definition: Palisading granulomas are a subtype of necrotizing granuloma in which the mononuclear phagocytes at the periphery have elongated or spindle-shaped nuclei that are palisaded and arranged roughly parallel to each other and roughly perpendicular to the edge of the central necrotic zone.

The most common are rheumatoid nodules and post-surgical necrobiotic granulomas occurring in the prostate, urinary bladder, and other sites.

Est ulcération They have also been reported in Churg-Strauss disease, foreign body granulomatous reactions, cutaneous T-cell lymphoma, Wegener’s granulomatosis, and a in a variety of infections (non-tuberculous mycobacteriosis, cat scratch disease, phaeohyphomycosis, sporotrichosis, cryptococcosis, coccidioidomycosis, syphilis) cases



Digital cases

- JRC:10497 : Granuloma annulare.
- JRC:10498 : Granuloma annulare.
- JRC:10499 : Granuloma annulare.
- HPC:208 (HPC:208) : Granuloma annulare or giant cell angiohistiocytoma?


- necrobiotic palisading granuloma


- rheumatoid nodule
- suture (suture granuloma) (8352376)
- steroids (8067519)
- granuloma annulare
- necrobiosis lipoidica
- actinic granuloma
- scleromyxedema
- eruptive xanthoma
- papulonecrotic tuberculid
- acnitis
- injectable collagen
- aluminium salts
- urate crystals
- cutaneous langerhans histiocytosis
- epithelioid sarcoma

See also

- Granulomas