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 © 2001-2009, DermAtlas | Image Name: | pulp_spac_ infection_1_070413 | File Type: | jpg | |
| Diagnosis: | ABSCESS / STAPHYLOCOCCAL INFECTION | Category: | orthopedic disorders / infections and infestations | ||
| Body Site: | thumb / finger | Age: | 53 years | ||
| Contributor: | Nikolaos Sferopoulos, MD | ||||
| Description: | swelling and erythema of the tip of the thumb | ||||
| Comments: | A pulp space infection of the thumb in a 53-year-old man was characterized by intense pain, erythema and swelling of the palmar tip that required surgical drainage. | ||||
 © 2001-2009, DermAtlas | Image Name: | abscess_1_070413 | File Type: | jpg | |
| Diagnosis: | ABSCESS | Category: | orthopedic disorders / infections and infestations | ||
| Body Site: | shoulder | Age: | 22 years | ||
| Contributor: | Nikolaos Sferopoulos, MD | ||||
| Description: | fullness or the right shoulder | ||||
| Comments: | An abscess of the shoulder of a 22-year-old drug addict required surgical drainage. | ||||
 © 2001-2009, DermAtlas | Image Name: | Staph_Infection_1_060529 | File Type: | jpg | |
| Diagnosis: | STAPHYLOCOCCAL INFECTION / ABSCESS | Category: | infections and infestations / reactive erythema | ||
| Body Site: | thigh | Age: | 36 years | ||
| Contributor: | Troy Lawson | ||||
| Description: | ulcerated draining abscess with surrounding area of erythema | ||||
| Comments: | This healthy 36-year-old runner developed an abscess on the right inner thigh following infection of an irritated patch from running. He was started on cephalexin and had the area incised after 3 and 5 days of antibiotic theraopy. | ||||
 © 2001-2009, DermAtlas | Image Name: | Tuberculous_spondylitis_2_060126 | File Type: | jpg | |
| Diagnosis: | TUBERCULOSIS / MYCOBACTERIUM INFECTION, TUBERCULOSIS / SPONDYLITIS / ABSCESS | Category: | orthopedic disorders / infections and infestations | ||
| Body Site: | trunk / back | Age: | 36 years | ||
| Contributor: | Nikolaos Sferopoulos, MD | ||||
| Description: | A fluctuant cold abscess gravitated and was palpated in the right lumbar region. | ||||
| Comments: | A 36-year-old man with a fever, generalized malaise and loss of weight. There was a history of tuberculous spondylitis for almost a year but he refused to receive any antituberculous drug therapy. Paraspinal abscesses in the thoracic region of the spine were delineated by magnetic resonance imaging. | ||||
| Related Images: | Tuberculous_spondylitis_1_060126 | ||||
 © 2001-2009, DermAtlas | Image Name: | Tuberculous_spondylitis_1_060126 | File Type: | jpg | |
| Diagnosis: | TUBERCULOSIS / MYCOBACTERIUM INFECTION, TUBERCULOSIS / SPONDYLITIS / ABSCESS | Category: | orthopedic disorders / infections and infestations | ||
| Body Site: | trunk / back | Age: | 36 years | ||
| Contributor: | Nikolaos Sferopoulos, MD | ||||
| Description: | A fluctuant cold abscess gravitated and was palpated in the right lumbar region. | ||||
| Comments: | A 36-year-old man with a fever, generalized malaise and loss of weight. There was a history of tuberculous spondylitis for almost a year but he refused to receive any antituberculous drug therapy. Paraspinal abscesses in the thoracic region of the spine were delineated by magnetic resonance imaging. | ||||
| Related Images: | Tuberculous_spondylitis_2_060126 | ||||
 © 2001-2009, DermAtlas | Image Name: | knee_staph_infection_1_060222 | File Type: | jpg | |
| Diagnosis: | STAPHYLOCOCCAL INFECTION / ABSCESS | Category: | infections and infestations | ||
| Body Site: | knee | Age: | 41 years | ||
| Contributor: | David Greenspan | ||||
| Description: | bloody fluctuent 2 cm nodule with surrounding erythema draining pus | ||||
| Comments: | This healthy 41-year-old man who worked as a kayaking day tour guide in Australia developed a painful abscess on his right knee. The infection improved quickly after incision and debridement. | ||||
 © 2001-2009, DermAtlas | Image Name: | zygomycosis_7_060206 | File Type: | jpg | |
| Diagnosis: | FUNGAL INFECTION, DEEP / ABSCESS / ZYGOMYCOSIS | Category: | infections and infestations | ||
| Body Site: | forearm | Age: | 47 years | ||
| Contributors: | Susan M Rabizadeh, MD Greg Hosler, MD, PhD | ||||
| Description: | 4 X 8 cm well demarcated necrotic black eschar | ||||
| Comments: | This 47-year-old man developed a necrotic ulcer with eschar and purpuric borders following immunosuppression for an orthotopic liver transplant for liver failure from Hepatitis C Virus infection. The lesion was biopsied and sent for both histology and cultures. The clinical differential diagnosis included deep fungal infection and ecthyma gangrenosum. The histopathology showed scattered filamentous fungi within the areas of necrosis. The apparent aseptate and ribbon-like nature of the fungus is highly suggestive of zygomycosis (mucor, rhizopus, etc), however, degenerated Aspergillus species can look like this, and thus cultures are necessary for confirmation. | ||||
| Related Images: | All related Images zygomycosis_1_060206 zygomycosis_2_060206 zygomycosis_3_060206 zygomycosis_4_060206 zygomycosis_5_060206 zygomycosis_6_060206 | ||||
 © 2001-2009, DermAtlas | Image Name: | zygomycosis_6_060206 | File Type: | jpg | |
| Diagnosis: | ZYGOMYCOSIS / FUNGAL INFECTION, DEEP / ABSCESS | Category: | infections and infestations | ||
| Body Site: | forearm | Age: | 47 years | ||
| Contributors: | Susan M Rabizadeh, MD Greg Hosler, MD, PhD | ||||
| Description: | 4 X 8 cm well demarcated necrotic black eschar | ||||
| Comments: | This 47-year-old man developed a necrotic ulcer with eschar and purpuric borders following immunosuppression for an orthotopic liver transplant for liver failure from Hepatitis C Virus infection. The lesion was biopsied and sent for both histology and cultures. The clinical differential diagnosis included deep fungal infection and ecthyma gangrenosum. The histopathology showed scattered filamentous fungi within the areas of necrosis. The apparent aseptate and ribbon-like nature of the fungus is highly suggestive of zygomycosis (mucor, rhizopus, etc), however, degenerated Aspergillus species can look like this, and thus cultures are necessary for confirmation. | ||||
| Related Images: | All related Images zygomycosis_1_060206 zygomycosis_2_060206 zygomycosis_3_060206 zygomycosis_4_060206 zygomycosis_5_060206 zygomycosis_7_060206 | ||||
 © 2001-2009, DermAtlas | Image Name: | zygomycosis_5_060206 | File Type: | jpg | |
| Diagnosis: | ZYGOMYCOSIS / FUNGAL INFECTION, DEEP / ABSCESS | Category: | infections and infestations | ||
| Body Site: | forearm | Age: | 47 years | ||
| Contributors: | Greg Hosler, MD, PhD Susan M Rabizadeh, MD | ||||
| Description: | This stunning image is from a calcofluor white preparation in this same patient. It is a fluorescence-based stain which brilliantly highlights fungal forms without sifting through artifact, an often frustrating exercise using a standard KOH prep. The wide-angle branching of ribbon-like hyphae mirrors the morphology seen on H&E sections and is characteristic of the zygomycoses, such as Mucor and Rhizopus species. | ||||
| Comments: | This 47-year-old man developed a necrotic ulcer with eschar and purpuric borders following immunosuppression for an orthotopic liver transplant for liver failure from Hepatitis C Virus infection. The lesion was biopsied and sent for both histology and cultures. The clinical differential diagnosis included deep fungal infection and ecthyma gangrenosum. The histopathology showed scattered filamentous fungi within the areas of necrosis. The apparent aseptate and ribbon-like nature of the fungus is highly suggestive of zygomycosis (mucor, rhizopus, etc), however, degenerated Aspergillus species can look like this, and thus cultures are necessary for confirmation. | ||||
| Related Images: | All related Images zygomycosis_1_060206 zygomycosis_2_060206 zygomycosis_3_060206 zygomycosis_4_060206 zygomycosis_6_060206 zygomycosis_7_060206 | ||||
 © 2001-2009, DermAtlas | Image Name: | zygomycosis_4_060206 | File Type: | jpg | |
| Diagnosis: | FUNGAL INFECTION, DEEP / ABSCESS / ZYGOMYCOSIS | Category: | infections and infestations | ||
| Body Site: | forearm | Age: | 47 years | ||
| Contributors: | Greg Hosler, MD, PhD Susan M Rabizadeh, MD | ||||
| Description: | At high power, using a Periodic Acid Schiff (PAS) stain with a light green counterstain, the features of the fungal hyphae become more clear while in a background of necrotic debris. The ribbon-like hyphae do not have parallel borders, and fail to form distinct branching angles, rather wave and twist in different directions. Septation can be difficult to evaluate, but no clear evidence of septation is seen here. | ||||
| Comments: | This 47-year-old man developed a necrotic ulcer with eschar and purpuric borders following immunosuppression for an orthotopic liver transplant (HCV). The lesion was biopsied and sent for both histology and cultures. The clinical differential diagnosis included deep fungal infection and ecthyma gangrenosum. The histopathology showed scattered filamentous fungi within the areas of necrosis. The apparent aseptate and ribbon-like nature of the fungus is highly suggestive of zygomycosis (mucor, rhizopus, etc), however, degenerated Aspergillus species can look like this, and thus cultures are necessary for confirmation. | ||||
| Related Images: | All related Images zygomycosis_1_060206 zygomycosis_2_060206 zygomycosis_3_060206 zygomycosis_5_060206 zygomycosis_6_060206 zygomycosis_7_060206 | ||||
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