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 © 2001-2009, DermAtlas | Image Name: | Mycobacterium_Marinum_1_090828 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM MARINUM / MYCOBACTERIUM INFECTION | Category: | infections and infestations | ||
| Body Site: | face / chin | Age: | 8 years | ||
| Contributor: | L. Katie Morrison | ||||
| Description: | violaceous nodules with overlying scale and crust | ||||
| Comments: | This 8-year-old boy developed 1-2 cm violaceous nodules with overlying scaling and crust most prominent in the largest, primary lesion. These progressed in a sporotrichoid pattern along his chin. A biopsy showed granulomatous inflammation with cultures positive for Mycobacterium marinum. | ||||
 © 2001-2009, DermAtlas | Image Name: | mycobacteria_marinum_1_061101 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM MARINUM | Category: | infections and infestations | ||
| Body Site: | finger | Age: | 50 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | There is an acanthotic epidermis with focal ulceration. In the dermis, there is a mixed inflammatory infiltrate, extending deep. | ||||
| Comments: | This patient gave a typical history of developing a lesion following a fishing trip. M. marinum may present as a solitary lesion but has been known to have sporotrichoid (lymphatic) spread. In this case, the organsims are not plentiful but readily found on an acid fast stain. | ||||
| Related Images: | All related Images mycobacteria_marinum_3_061101 mycobacteria_marinum_2_061101 | ||||
 © 2001-2009, DermAtlas | Image Name: | mycobacteria_marinum_2_061101 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM MARINUM | Category: | infections and infestations | ||
| Body Site: | finger | Age: | 50 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | The infiltrate is mixed but has a prominent granulomatous component. | ||||
| Comments: | This patient gave a typical history of developing a lesion following a fishing trip. M. marinum may present as a solitary lesion but has been known to have sporotrichoid (lymphatic) spread. In this case, the organsims are not plentiful but readily found on an acid fast stain. | ||||
| Related Images: | All related Images mycobacteria_marinum_3_061101 mycobacteria_marinum_1_061101 | ||||
 © 2001-2009, DermAtlas | Image Name: | mycobacteria_marinum_3_061101 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM MARINUM | Category: | infections and infestations | ||
| Body Site: | finger | Age: | 50 years | ||
| Contributor: | Greg Hosler, MD, PhD | ||||
| Description: | An acid fast stain (AFB-Kinyoun in this case) highlights the mycobacteria in red. Few organisms are found. Several bacillary forms are present in the lower center of the field. | ||||
| Comments: | This patient gave a typical history of developing a lesion following a fishing trip. M. marinum may present as a solitary lesion but has been known to have sporotrichoid (lymphatic) spread. In this case, the organsims are not pletiful but readily found on an acid fast stain. | ||||
| Related Images: | All related Images mycobacteria_marinum_2_061101 mycobacteria_marinum_1_061101 | ||||
 © 2001-2009, DermAtlas | Image Name: | atypical_mycobacteria_1_051010 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM MARINUM / MYCOBACTERIUM INFECTION, ATYPICAL / MYCOBACTERIUM INFECTION | Category: | granulomatous disorder / infections and infestations | ||
| Body Site: | arm / elbow | Age: | 9 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | grouped indurated papules and plaques with erosions and crusts | ||||
| Comments: | This healthy 9-year-old boy developed minimally itchy papules and plaques on his right elbow after a trip to the Chesapeake Bay where he spent the day clamming. After 3 months of oral trimethoprin/sulfamethoxazole the lesions improved with a decrease in erythema and resolution of the erosions and crusts | ||||
| Related Images: | All related Images atypical_mycobacteria_2_060205 atypical_mycobacteria_1_060205 atypical_mycobacteria_2_051010 | ||||
 © 2001-2009, DermAtlas | Image Name: | atypical_mycobacteria_2_051010 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM MARINUM / MYCOBACTERIUM INFECTION, ATYPICAL / MYCOBACTERIUM INFECTION | Category: | granulomatous disorder / infections and infestations | ||
| Body Site: | arm / elbow | Age: | 9 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | grouped indurated papules and plaques with erosions and crusts | ||||
| Comments: | This healthy 9-year-old boy developed minimally itchy papules and plaques on his right elbow after a trip to the Chesapeake Bay where he spent the day clamming. After 3 months of oral trimethoprin/sulfamethoxazole the lesions improved with a decrease in erythema and resolution of the erosions and crusts | ||||
| Related Images: | All related Images atypical_mycobacteria_2_060205 atypical_mycobacteria_1_060205 atypical_mycobacteria_1_051010 | ||||
 © 2001-2009, DermAtlas | Image Name: | atypical_mycobacteria_1_060205 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM MARINUM / MYCOBACTERIUM INFECTION, ATYPICAL / MYCOBACTERIUM INFECTION | Category: | granulomatous disorder / infections and infestations | ||
| Body Site: | arm / elbow | Age: | 9 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | grouped flattening papules and plaques with overlying scale | ||||
| Comments: | This healthy 9-year-old boy developed minimally itchy papules and plaques on his right elbow after a trip to the Chesapeake Bay where he spent the day clamming. After 3 months of oral trimethoprin/sulfamethoxazole the lesions improved with a decrease in erythema and resolution of the erosions and crusts | ||||
| Related Images: | All related Images atypical_mycobacteria_2_060205 atypical_mycobacteria_2_051010 atypical_mycobacteria_1_051010 | ||||
 © 2001-2009, DermAtlas | Image Name: | atypical_mycobacteria_2_060205 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM MARINUM / MYCOBACTERIUM INFECTION, ATYPICAL / MYCOBACTERIUM INFECTION | Category: | granulomatous disorder / infections and infestations | ||
| Body Site: | arm / elbow | Age: | 9 years | ||
| Contributor: | Bernard Cohen, MD | ||||
| Description: | grouped flattening papules and plaques with overlying scale | ||||
| Comments: | This healthy 9-year-old boy developed minimally itchy papules and plaques on his right elbow after a trip to the Chesapeake Bay where he spent the day clamming. After 3 months of oral trimethoprin/sulfamethoxazole the lesions improved with a decrease in erythema and resolution of the erosions and crusts | ||||
| Related Images: | All related Images atypical_mycobacteria_1_060205 atypical_mycobacteria_2_051010 atypical_mycobacteria_1_051010 | ||||
 © 2001-2009, DermAtlas | Image Name: | atypical_mycobacterium_1_050330 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM INFECTION, ATYPICAL / MYCOBACTERIUM INFECTION / MYCOBACTERIUM MARINUM | Category: | granulomatous disorder / infections and infestations | ||
| Body Site: | hand / arm | Age: | 45 years | ||
| Contributor: | Alison Young, MD | ||||
| Description: | 1-2 cm violaceous nodules with overlying collarette of scale in a sporotrichoid pattern | ||||
| Comments: | This healthy 45-year-old man developed asymptomatic nodules on his right hand which progressed up the forearm over 2 months. A biopsy showed granulomatous inflammation and cultures grew Mycobacterium marinum. He spent weekends sailing in the Chesapeake Bay. | ||||
 © 2001-2009, DermAtlas | Image Name: | mycobacterium_marinum_1_040515 | File Type: | jpg | |
| Diagnosis: | MYCOBACTERIUM INFECTION, ATYPICAL / MYCOBACTERIUM INFECTION / MYCOBACTERIUM MARINUM | Category: | lumps & bumps (plaques, nodules, tumors) / infections and infestations | ||
| Body Site: | arm / hand wrist | Age: | 55 years | ||
| Contributor: | Alison Young, MD | ||||
| Description: | 0.5-2 cm violaceous nodules some with crusting in a line | ||||
| Comments: | This 55-year-old man complained of minimally tender nodules which started on his hand 3 months earlier and gradually spread up his forearm. | ||||
| Related Images: | mycobacterium_marinum_2_040515 | ||||
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