Granulomatous reaction pattern

Published on 08/03/2015 by admin

Filed under Pathology

Last modified 22/04/2025

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7 Granulomatous Reaction Pattern

Sarcoidal granulomas 134

Sarcoidosis 134
Sarcoid variants 135
Lupus pernio135
Nodular subcutaneous sarcoidosis 135
Blau’s syndrome 135
Reactions to foreign bodies 136
Other causes of sarcoidal lesions 136

Tuberculoid granulomas 136

Tuberculosis 136
Tuberculids 136
Leprosy 137
Late syphilis 137
Leishmaniasis 138
Granulomatous variant of rosacea 138
Perioral dermatitis 138
Lupus miliaris disseminatus faciei 139
Crohn’s disease 139

Necrobiotic granulomas 139

Granuloma annulare overall 139
Localized (classic) GA 140
Generalized GA 140
GA with necrobiotic granulomas 140
Interstitial form of GA 141
GA of sarcoidal or tuberculoid type histologically 141
Perforating GA 141
Subcutaneous GA 142
Necrobiosis lipoidica 143
Necrobiotic xanthogranuloma 144
Rheumatoid nodules 145
Rheumatic fever nodules 146
Reactions to foreign materials and vaccines 146

Suppurative granulomas 146

Chromomycosis 146
Pheohyphomycosis 147
Sporotrichosis 147
Non-tuberculous (atypical) mycobacterial infections 148
Blastomycosis 148
Paracoccidioidomycosis 149
Coccidioidomycosis 149
Blastomycosis-like pyoderma 150
Actinomycosis, mycetomas, and nocardiosis 150
Cat-scratch disease 151
Lymphogranuloma venereum 151
Superficial pyoderma gangrenosum 151
Ruptured cysts and follicles 152

Foreign body granulomas 153

Exogenous material 153
Silicone granuloma 154
Endogenous material 154

Miscellaneous granulomas 155

Cheilitis granulomatosa 155
Melkersson-Rosenthal syndrome 155
Elastolytic granulomas 155
Actinic granuloma of O’Brien 156
Atypical necrobiosis lipoidica 157
Granuloma multiforme 158
Annular granulomatous lesions in hydroquinone-induced ochronosis 158
Interstitial granulomatous dermatitis 159
Interstitial granulomatous drug reaction 160
Granulomatous mycosis fungoides 160
Traumatic ulcerative granuloma 161

Touton cell Foamy cytoplasm with circular nuclei and non-foamy center

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Langhans giant cell Horseshoe-shaped nuclei

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Foreign body giant cell Diffuse arrangement of nuclei

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