Case collection featuring teaching and consultation cases of Dr. Artur Zembowicz, M.D., Ph.D., (bio
) a consultant in dermatopathology, ophthalmic pathology and head and neck pathology.
Consultations to Dr. Zembowicz can be sent to:
Department of Pathology, 6th Floor
133 Brookline Ave
Boston, MA 02215
Tel. (617) 549 1168
or
sumbitted at the website www.DermatopathologyConsultations.com
Cases associated with this conference:
Right arm lesion, 53-year-old woman
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Plexiform schwannoma
54 year-old HIV-positive male with upper back thickenning.
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Scleredema
Inverted follicular keratosis
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Inverted follicular keratosis
Right cheek lesion, 12-year-old girl
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Dermal spindled and epithelioid cell (Spitz) nevus with moderate atypia
11-year-old girl with brown-tan papules on her back and chest
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Halo nevi
Adnexal tumor versus BCC
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: BCC with trichoepithelial features
Nevoid melanoma
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Nevoid melanoma
Congenital nevus with proliferative nodules
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Congenital nevus with proliferative nodules
Early invasive melanoma
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Early invasive melanoma
Right temple tumor submitted as "suspicious for sebaceous carcinoma"
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pending
15-year-old with "suspicious conjunctival lesion"
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Conjunctival melanocytic nevus
Atypical acral nevus
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Atypical acral nevus
Case 10
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pending
Event: Didactic Session II: Adnexal tumors
Case 9
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pending
Event: Didactic Session II: Adnexal tumors
Kaposi sarcoma, early patch stage
Author: Sean Klepper M.D.
Diagnosis: Kaposi sarcoma, early patch stage
Malignant blue nevus
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Malignant blue nevus
Rare variant of a rare tumor.
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Cellular neurothecoma
Xanthogranuloma (juvenile type)
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Juvenile xanthogranuloma
Benign tumor often confused with spitzoid malignant melanoma
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: To be discussed at the Dermpedia Dermatopathology CME Course in Scottsdale, AZ
Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
Pigmented epithelioid melanocytoma from a patient with Carney Complex
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pigmented epithelioid melanocytoma from the patient with Carney Complex
Atypical nevus or nevoid melanoma?
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: To be discussed at the Course
Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
12 year old with pigmented conjunctival lesion
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pending
Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
Insect bite?
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Insect bite reaction
Trichoadenoma
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Trichoadenoma
Frequent diagostic problem
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Combined component and clonal/inverted type A nevus
Borderline melanocytic tumor (MELTUMP)
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Borderline melanocytic tumor (MELTUMP)
Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
Syringotropic melanoma
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Syringotropic melanoma
13 month old African American girl with chronic bullous eruption
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pending
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Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
Pigmented epithelioid melanocytoma from a patient with Carney Complex
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pigmented epithelioid melanocytoma (epithelioid blue nevus of Carney complex)
A small red papule on the upper eyelid in a 27 year old female
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Superficial angiomyxoma
Pigmented epithelioid melanocytoma from a patient with Carney Complex
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pigmented epithelioid melanocytoma (epithelioid blue nevus of Carney complex)
A very rare case
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Conjunctival Rosai-Dorfman disease (sinus histiocytosis with massive adenopathy)
Elastosis perforans serpiginosa
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Elastosis perforans serpiginosa
Aplasia cutis congenita
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Aplasia cutis congenita
Bananas
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Ochronosis (exogeouns)
Benign process misdiagnosed as squamous cell carcinoma
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Subungual epidermoid inclusions.
Case for Dermpedia Scottsdale 2010 Course
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pending
Event: Dermpedia Practical Dermatopathology Update Hosted by Phillip H. McKee, M.D., FRCPath., Scottsdale 2010
A surprise
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Kaposi sarcoma
35 year-old female with suspected melanoma on the right shoulder
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Deep penetrating nevus
Aggressive digital papillary adenoma/adenocarcinoma
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Aggressive digital papillary adenocarcinoma
Atypical genital melanocytic proliferation in a 25 year-old female
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Atypical nevus of genital type
Classic reactive lymphoid hyperplasia (cutaneous B cell pseudolymphoma)
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Reactive lymphoid hyperplasia (pseudolymphoma)
A well hidden diagnosis
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Cutaneous leishmaniasis
A diagnostic pitfall
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Amelanotic cellular blue nevus
Recurrent nevus
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Recurrent junctional nevus
Sebaceous adenoma as a clue to Muir-Torre syndrome
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Sebaceous adenoma in a patient with Muir-Torre syndrome
Great masquarader
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Sebaceous cell carcinoma of the eyelid
Always a challenging diagnosis
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Malignant melanoma (spitzoid?)
Superficial basal cell carcinoma with a bonus diagnosis
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Granuloma faciale
32 year-old Caucasian female with suspected melanoma on the proximal forearm
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pending
Acute erythema nodosum with early neutrophilic component or a neutrophilic dermatosis?
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Erythema nodosum (acute)
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Another "baso/squamo-melanocytic tumor"
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Basomelanocytic tumor
Research Project :Melanoma with epithelial differentiation and tumors with epithelial/melanocytic differentiation
Typical histology but somewhat unusual age and location
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Myofibroma (adult type)
Rapidly growing tumor in a preexisting blue nevus
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Malignant blue nevus
Early histological changes in glucagonoma
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Glucagonoma syndrome (necrolytic migratory erythema)
Rush biopsy
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Temporal arteritis
Event: Medilink Training 2nd Dermatopathology Update
Interesting pigmented lesion
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Combined dermal and blue nevus
Probably the most commonly misdiagnosed dermatosis.
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Acrodermatitis enteropathica (Zn deficiency)
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Event: Medilink Training 2nd Dermatopathology Update
How to diagnose urticaria histologically?
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Urticaria
A consultation from Norway
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Malignant neurocristic tumor arising in neurocristic hamartoma
Event: Medilink Training 2nd Dermatopathology Update
Research Project :Neurocristic hamartoma and malignant neurocristic hamartoma
Pigmented apocrine hamartoma (of the vulva), a new entity or a variant of apocrine hidrocystoma?
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pigmened apocrine hamartoma of the vulva
36 year-old female with a fleshy papule on the left chest below the breast
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Supernumerary nipple
30-year-old male with one year history of changing nodule on the forehead
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Epithelioid hemangioma (angiolymphoid hyperplasia with eosinophilia)
A 27-year-old male with a skin-colored papule on the left year
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Spitz nevus
19 year-old female with firm erythematous papules on fingers and palms
Author: Dr. Catherine A. Hoffman M.D.
Diagnosis: Perinio
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Amelanotic cellular blue nevus
Author: Mitsuhiro Sugiura M.D., Ph.D.
Diagnosis: Amelanotic cellular blue nevus
Papillomatous lesion on the caruncle of a 79 year-old-man
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Sebaceous carcinoma
45 year-old woman with recent onset of a rapidly progressing painful rash on both breasts
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Warfarin-induced skin necrosis
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Event: Medilink Training 2nd Dermatopathology Update
A 13-year-old boy with a history of Carney Complex and a pigmented lesion
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Carney complex-associated epithelioid blue nevus/pigmented epithelioid melanocytoma
Event: Medilink Training 2nd Dermatopathology Update
58 year old male with erythematous papule on the forehead
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Balloon cell melanoma
Event: Medilink Training 2nd Dermatopathology Update
Rapidly growing lower eyelid nodule associated with conjunctival erythema in a 59 year-old woman.
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Ocular sebaceous carcinoma
Event: Medilink Training 2nd Dermatopathology Update
Recurrent metastatic vulvar tumor previously diagnosed as poorly different squamous cell carcinoma in a 78 year-old woman
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Adnexal clear cell carcinoma with comedonecrosis
Event: Medilink Training 2nd Dermatopathology Update
A 36 year old healthy woman with a non-healing ulceration on the cheek
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Leismaniasis
Clear cell basal cell carcinoma
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Basal cell carcinoma, clear cell variant
Melanoma with areas of epithelial differentiation/malignant basomelanocytic tumor?, Case 1
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Pending
Research Project :Melanoma with epithelial differentiation and tumors with epithelial/melanocytic differentiation
69 y/o female with longstanding h/o atopic dermatitis with severe flares
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: chronic eczematous dermatitis
Event: Lahey Clinic Dermatology Grand Rounds 11/19/2008
67 years old woman with pigmented rash
Author: Artur Zembowicz M.D. Ph.D.
Diagnosis: Post-inflammatory hyperpigmentation
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Event: Lahey Clinic Dermatology Grand Rounds 11/19/2008
44 year old male with acute onset alopecia
Author: Sarita Nori
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Event: Lahey Clinic Dermatology Grand Rounds 11/19/2008